US Bridges

Rt U S over Sights Br

FairPosted for load

Linn County, Missouri · S 5 T 57 N R 18 W · Structure no. 7957

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
113 ft
3 main spans
Daily traffic
298
2024 count
Owner
State
State Highway Agency

About this bridge

Rt U S over Sights Br is a steel stringer/multi-beam or girder carrying Rt U S over Sights Br in Linn County, Missouri. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 298 vehicles a day, roughly 22% of them trucks, projected to reach 373 by 2044. The structure is 113 ft (34.4 m) long and 22 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesRt U S
CrossesSights Br
LocationS 5 T 57 N R 18 W
RouteState Highway 0U
CountyLinn County
StateMissouri
Coordinates39.7834, -92.93711
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating11.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length113 ft (34.4 m)
Longest span45 ft (13.8 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic298 (2024)
Projected traffic373 by 2044
Trucks22%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 U S over Sights Br built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rt U S over Sights Br 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 U S over Sights Br carry?

About 298 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Rt U S over Sights Br?

The structure is 113 ft (34.4 m) long with a longest span of 45 ft (13.8 m) and a deck 22 ft wide.

Who owns Rt U S over Sights Br?

It is owned by the State Highway Agency.