US Bridges

Rt T S over Maries Rvr

Good

Osage County, Missouri · S 11 T 42 N R 10 W · Structure no. 1531

Built
1966
59 years old, rebuilt 2017
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
357 ft
5 main spans
Daily traffic
1,157
2024 count
Owner
State
State Highway Agency

About this bridge

Rt T S over Maries Rvr is a steel continuous stringer/multi-beam or girder carrying Rt T S over Maries Rvr in Osage County, Missouri. It was built in 1966 and reconstructed in 2017, so it is 59 years old, older 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 1,157 vehicles a day, roughly 7% of them trucks, projected to reach 1,678 by 2044. The structure is 357 ft (108.8 m) long and 29 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt T S
CrossesMaries Rvr
LocationS 11 T 42 N R 10 W
RouteState Highway 0T
Coordinates38.39322, -91.99115
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length357 ft (108.8 m)
Longest span78 ft (23.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,157 (2024)
Projected traffic1,678 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 T S over Maries Rvr built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2017.

What condition is Rt T S over 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 February 2025.

How much traffic does Rt T S over Maries Rvr carry?

About 1,157 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt T S over Maries Rvr?

The structure is 357 ft (108.8 m) long with a longest span of 78 ft (23.8 m) and a deck 29 ft wide.

Who owns Rt T S over Maries Rvr?

It is owned by the State Highway Agency.