US Bridges

Rt Ae S over Martin Br

Fair

Franklin County, Missouri · S 2 T 40 N R 4 W · Structure no. 8317

Built
1963
62 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
127
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Ae S over Martin Br is a concrete continuous culvert carrying Rt Ae S over Martin Br in Franklin County, Missouri. It was built in 1963, so it is 62 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 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 127 vehicles a day, roughly 7% of them trucks, projected to reach 241 by 2044. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Ae S
CrossesMartin Br
LocationS 2 T 40 N R 4 W
RouteState Highway 0AE
CountyFranklin County
StateMissouri
Coordinates38.23709, -91.32974
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating85.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length34 ft (10.4 m)
Longest span11 ft (3.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2024)
Projected traffic241 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Ae S over Martin Br built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt Ae S over Martin 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 December 2023.

How much traffic does Rt Ae S over Martin Br carry?

About 127 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt Ae S over Martin Br?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.4 m) and a deck 34 ft wide.

Who owns Rt Ae S over Martin Br?

It is owned by the State Highway Agency.