US Bridges

12th ST over Bucks Br

Fair

Harrison County, Missouri · S 10 T 63 N R 28 W · Structure no. 13311

Built
1930
95 years old, rebuilt 1987
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
400
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th ST over Bucks Br is a concrete culvert carrying 12th ST over Bucks Br in Harrison County, Missouri. It was built in 1930 and reconstructed in 1987, so it is 95 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 460 by 2044. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Carries12th ST
CrossesBucks Br
LocationS 10 T 63 N R 28 W
RouteCity Street 0
Coordinates40.26755, -94.03837
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic460 by 2044
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 12th ST over Bucks Br built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1987.

What condition is 12th ST over Bucks 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 February 2024.

How much traffic does 12th ST over Bucks Br carry?

About 400 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 12th ST over Bucks Br?

The structure is 38 ft (11.6 m) long with a longest span of 17 ft (5.2 m).

Who owns 12th ST over Bucks Br?

It is owned by the City or Municipal Highway Agency.