US Bridges

County RD 378 over Br of Lit Whitewat

Fair

Bollinger County, Missouri · S 36 T 33 N R 9 E · Structure no. 13997

Built
1901
124 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
250
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 378 over Br of Lit Whitewat is a steel stringer/multi-beam or girder carrying County RD 378 over Br of Lit Whitewat in Bollinger County, Missouri. It was built in 1901, so it is 124 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 325 by 2044. The structure is 31 ft (9.4 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty RD 378
CrossesBr of Lit Whitewat
LocationS 36 T 33 N R 9 E
RouteCounty Highway 54
CountyBollinger County
StateMissouri
Coordinates37.49969, -90.01217
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic325 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$196,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 378 over Br of Lit Whitewat built?

It was built in 1901, making it 124 years old in 2025.

What condition is County RD 378 over Br of Lit Whitewat in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does County RD 378 over Br of Lit Whitewat carry?

About 250 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 378 over Br of Lit Whitewat?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns County RD 378 over Br of Lit Whitewat?

It is owned by the County Highway Agency.