US Bridges

Rt D S over Bannon Br

Fair

St. Francois County, Missouri · S 829 T 36 N R 6 W · Structure no. 3777

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
3,717
2024 count
Owner
State
State Highway Agency

About this bridge

Rt D S over Bannon Br is a concrete continuous culvert carrying Rt D S over Bannon Br in St. Francois County, Missouri. It was built in 1989, so it is 36 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 3,717 vehicles a day, roughly 11% of them trucks, projected to reach 5,947 by 2044. The structure is 23 ft (7.1 m) long and 44 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesRt D S
CrossesBannon Br
LocationS 829 T 36 N R 6 W
RouteState Highway 0D
Coordinates37.81172, -90.41804
Functional classRural Major Collector

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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.4 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,717 (2024)
Projected traffic5,947 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt D S over Bannon Br built?

It was built in 1989, making it 36 years old in 2025.

What condition is Rt D S over Bannon 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 Rt D S over Bannon Br carry?

About 3,717 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt D S over Bannon Br?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.4 m) and a deck 44 ft wide.

Who owns Rt D S over Bannon Br?

It is owned by the State Highway Agency.