US Bridges

County RD 906 over Lit Whitewater CR

PoorPosted for load

Bollinger County, Missouri · S 16 T 33 N R 9 E · Structure no. 12534

Built
1928
97 years old, rebuilt 2012
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 906 over Lit Whitewater CR is a steel stringer/multi-beam or girder carrying County RD 906 over Lit Whitewater CR in Bollinger County, Missouri. It was built in 1928 and reconstructed in 2012, so it is 97 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 28 ft (8.5 m) long and 13 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCounty RD 906
CrossesLit Whitewater CR
LocationS 16 T 33 N R 9 E
RouteCounty Highway 13
CountyBollinger County
StateMissouri
Coordinates37.5437, -90.0603
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating23.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (8 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic46 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 906 over Lit Whitewater CR built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2012.

What condition is County RD 906 over Lit Whitewater CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does County RD 906 over Lit Whitewater CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 906 over Lit Whitewater CR?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (8 m) and a deck 13 ft wide.

Who owns County RD 906 over Lit Whitewater CR?

It is owned by the County Highway Agency.