US Bridges

Rt Aa S over Trib Maries Rvr

Good

Maries County, Missouri · S 1 T 40 N R 10 W · Structure no. 12092

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
360
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa S over Trib Maries Rvr is a concrete continuous culvert carrying Rt Aa S over Trib Maries Rvr in Maries County, Missouri. It was built in 2001, so it is 24 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 360 vehicles a day, roughly 6% of them trucks, projected to reach 504 by 2044. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRt Aa S
CrossesTrib Maries Rvr
LocationS 1 T 40 N R 10 W
RouteState Highway 0AA
Coordinates38.23697, -91.97529
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating95.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2024)
Projected traffic504 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Aa S over Trib Maries Rvr built?

It was built in 2001, making it 24 years old in 2025.

What condition is Rt Aa S over Trib Maries Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Rt Aa S over Trib Maries Rvr carry?

About 360 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt Aa S over Trib Maries Rvr?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m).

Who owns Rt Aa S over Trib Maries Rvr?

It is owned by the State Highway Agency.