US Bridges

Doyle RD over Br of Petite Salin

FairPosted for load

Cooper County, Missouri · S 13 T 48 N R 17 W · Structure no. 30496

Built
2001
24 years old
Condition
Fair
inspected December 2023
Type
Girder and Floorbeam System
Steel
Length
24 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Doyle RD over Br of Petite Salin is a steel girder and floorbeam system carrying Doyle RD over Br of Petite Salin in Cooper County, Missouri. It was built in 2001, so it is 24 years old, younger 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 24 ft (7.4 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDoyle RD
CrossesBr of Petite Salin
LocationS 13 T 48 N R 17 W
RouteCounty Highway 0
CountyCooper County
StateMissouri
Coordinates38.9209, -92.72159
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.9 US tons
Inventory rating8.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span22 ft (6.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic130 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Doyle RD over Br of Petite Salin built?

It was built in 2001, making it 24 years old in 2025.

What condition is Doyle RD over Br of Petite Salin 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 Doyle RD over Br of Petite Salin carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Doyle RD over Br of Petite Salin?

The structure is 24 ft (7.4 m) long with a longest span of 22 ft (6.8 m) and a deck 20 ft wide.

Who owns Doyle RD over Br of Petite Salin?

It is owned by the County Highway Agency.