US Bridges

Bellair RD over Petite Saline CR

FairPosted for load

Cooper County, Missouri · S 14 T 47 N R 18 W · Structure no. 17713

Built
1960
65 years old, rebuilt 1987
Condition
Fair
inspected December 2023
Type
Truss - Thru
Steel
Length
84 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Bellair RD over Petite Saline CR is a steel truss - thru carrying Bellair RD over Petite Saline CR in Cooper County, Missouri. It was built in 1960 and reconstructed in 1987, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 84 ft (25.6 m) long and 21 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesBellair RD
CrossesPetite Saline CR
LocationS 14 T 47 N R 18 W
RouteCounty Highway 161
Coordinates38.83963, -92.8612
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic46 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bellair RD over Petite Saline CR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1987.

What condition is Bellair RD over Petite Saline CR 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 December 2023.

How much traffic does Bellair RD over Petite Saline CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bellair RD over Petite Saline CR?

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 21 ft wide.

Who owns Bellair RD over Petite Saline CR?

It is owned by the County Highway Agency.