US Bridges

Rt H S over Osage Rvr

Fair

St. Clair County, Missouri · S 15 T 37 N R 28 W · Structure no. 3166

Built
1976
49 years old, rebuilt 2012
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
639 ft
3 main spans
Daily traffic
460
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Osage Rvr is a steel continuous stringer/multi-beam or girder carrying Rt H S over Osage Rvr in St. Clair County, Missouri. It was built in 1976 and reconstructed in 2012, so it is 49 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 460 vehicles a day, roughly 21% of them trucks, projected to reach 598 by 2044. The structure is 639 ft (194.8 m) long and 31 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesRt H S
CrossesOsage Rvr
LocationS 15 T 37 N R 28 W
RouteState Highway 0H
CountySt. Clair County
StateMissouri
Coordinates38.00376, -93.99469
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 15
Structure length639 ft (194.8 m)
Longest span172 ft (52.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2024)
Projected traffic598 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 H S over Osage Rvr built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2012.

What condition is Rt H S over Osage Rvr 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 September 2024.

How much traffic does Rt H S over Osage Rvr carry?

About 460 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Rt H S over Osage Rvr?

The structure is 639 ft (194.8 m) long with a longest span of 172 ft (52.4 m) and a deck 31 ft wide.

Who owns Rt H S over Osage Rvr?

It is owned by the State Highway Agency.