US Bridges

Billingsville RD over Br of Petite Salin

Poor

Cooper County, Missouri · S 23 T 48 N R 17 W · Structure no. 13371

Built
1965
60 years old, rebuilt 1987
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
750
2024 count
Owner
County
County Highway Agency

About this bridge

Billingsville RD over Br of Petite Salin is a steel stringer/multi-beam or girder carrying Billingsville RD over Br of Petite Salin in Cooper County, Missouri. It was built in 1965 and reconstructed in 1987, so it is 60 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 750 vehicles a day, roughly 10% of them trucks, projected to reach 975 by 2044. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesBillingsville RD
CrossesBr of Petite Salin
LocationS 23 T 48 N R 17 W
RouteCounty Highway 36
Coordinates38.91556, -92.75194
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span44 ft (13.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2024)
Projected traffic975 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$594,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Billingsville RD over Br of Petite Salin built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1987.

What condition is Billingsville RD over Br of Petite Salin in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Billingsville RD over Br of Petite Salin carry?

About 750 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Billingsville RD over Br of Petite Salin?

The structure is 50 ft (15.2 m) long with a longest span of 44 ft (13.4 m) and a deck 20 ft wide.

Who owns Billingsville RD over Br of Petite Salin?

It is owned by the County Highway Agency.