US Bridges

Audrain LN 246 over Branch

Fair

Ralls County, Missouri · S 31 T 53 N R 5 W · Structure no. 20080

Built
1994
31 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Audrain LN 246 over Branch is a steel culvert carrying Audrain LN 246 over Branch in Ralls County, Missouri. It was built in 1994, so it is 31 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesAudrain LN 246
CrossesBranch
LocationS 31 T 53 N R 5 W
RouteCounty Highway 246
Coordinates39.32139, -91.50522
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 10
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic44 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Audrain LN 246 over Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Audrain LN 246 over Branch 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 June 2024.

How much traffic does Audrain LN 246 over Branch carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Audrain LN 246 over Branch?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m).

Who owns Audrain LN 246 over Branch?

It is owned by the County Highway Agency.