US Bridges

Washington ST over Town Br

Fair

Audrain County, Missouri · S 22 T 51 N R 9 W · Structure no. 20889

Built
1986
39 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington ST over Town Br is a concrete culvert carrying Washington ST over Town Br in Audrain County, Missouri. It was built in 1986, so it is 39 years old, younger 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 6 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 800 vehicles a day, roughly 10% of them trucks, projected to reach 1,080 by 2043. The structure is 38 ft (11.6 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWashington ST
CrossesTown Br
LocationS 22 T 51 N R 9 W
RouteCity Street 0
Coordinates39.17567, -91.8835
Functional classUrban 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length38 ft (11.6 m)
Longest span16 ft (4.9 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,080 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington ST over Town Br built?

It was built in 1986, making it 39 years old in 2025.

What condition is Washington ST over Town Br 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 March 2023.

How much traffic does Washington ST over Town Br carry?

About 800 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Washington ST over Town Br?

The structure is 38 ft (11.6 m) long with a longest span of 16 ft (4.9 m) and a deck 49 ft wide.

Who owns Washington ST over Town Br?

It is owned by the City or Municipal Highway Agency.