US Bridges

Peterson RD over Cason Creek

Good

West Feliciana Parish, Louisiana · 1.8 Mi. NW of LA 421 · Structure no. 616300000616309

Built
2021
4 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
161 ft
4 main spans
Daily traffic
200
2021 count
Owner
County
County Highway Agency

About this bridge

Peterson RD over Cason Creek is a prestressed concrete stringer/multi-beam or girder carrying Peterson RD over Cason Creek in West Feliciana Parish, Louisiana. It was built in 2021, so it is 4 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, projected to reach 220 by 2041. The structure is 161 ft (49.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPeterson RD
CrossesCason Creek
Location1.8 Mi. NW of LA 421
RouteCounty Highway 0
Coordinates30.91876, -91.20866
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadGreater than HL 93
Structure length161 ft (49.1 m)
Longest span40 ft (12.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic220 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Peterson RD over Cason Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Peterson RD over Cason Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Peterson RD over Cason Creek carry?

About 200 vehicles per day (2021 count).

How long is Peterson RD over Cason Creek?

The structure is 161 ft (49.1 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Peterson RD over Cason Creek?

It is owned by the County Highway Agency.