US Bridges

County RD 340 over Lit Whitewater CR

FairPosted for load

Bollinger County, Missouri · S 25 T 32 N R 10 E · Structure no. 14806

Built
1937
88 years old, rebuilt 1992
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
61 ft
6 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 340 over Lit Whitewater CR is a concrete culvert carrying County RD 340 over Lit Whitewater CR in Bollinger County, Missouri. It was built in 1937 and reconstructed in 1992, so it is 88 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 13 by 2044. The structure is 61 ft (18.6 m) long and 11 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCounty RD 340
CrossesLit Whitewater CR
LocationS 25 T 32 N R 10 E
RouteCounty Highway 76
CountyBollinger County
StateMissouri
Coordinates37.43055, -89.89106
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 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; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating7.9 US tons
Inventory rating5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length61 ft (18.6 m)
Longest span9 ft (2.7 m)
Deck width11 ft (3.5 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic13 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$225,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 340 over Lit Whitewater CR built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1992.

What condition is County RD 340 over Lit Whitewater CR 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 340 over Lit Whitewater CR carry?

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

How long is County RD 340 over Lit Whitewater CR?

The structure is 61 ft (18.6 m) long with a longest span of 9 ft (2.7 m) and a deck 11 ft wide.

Who owns County RD 340 over Lit Whitewater CR?

It is owned by the County Highway Agency.