US Bridges

US 65 S over Osage Rvr

Fair

Benton County, Missouri · S 21 T 40 N R 22 W · Structure no. 2591

Built
1974
51 years old, rebuilt 2009
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,026 ft
9 main spans
Daily traffic
8,522
2024 count
Owner
State
State Highway Agency

About this bridge

US 65 S over Osage Rvr is a steel continuous stringer/multi-beam or girder carrying US 65 S over Osage Rvr in Benton County, Missouri. It was built in 1974 and reconstructed in 2009, so it is 51 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 5 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 8,522 vehicles a day, roughly 11% of them trucks, projected to reach 14,914 by 2044. The structure is 1,026 ft (312.6 m) long and 47 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesUS 65 S
CrossesOsage Rvr
LocationS 21 T 40 N R 22 W
RouteU.S. Route 65
CountyBenton County
StateMissouri
Coordinates38.23686, -93.35981
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 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 rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,026 ft (312.6 m)
Longest span225 ft (68.6 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,522 (2024)
Projected traffic14,914 by 2044
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 65 S over Osage Rvr built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2009.

What condition is US 65 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 March 2023.

How much traffic does US 65 S over Osage Rvr carry?

About 8,522 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is US 65 S over Osage Rvr?

The structure is 1,026 ft (312.6 m) long with a longest span of 225 ft (68.6 m) and a deck 47 ft wide.

Who owns US 65 S over Osage Rvr?

It is owned by the State Highway Agency.