US Bridges

Lee RD over Thigpen Creek

Good

Washington Parish, Louisiana · 0.9 Miles North of LA 16 · Structure no. 625930444900501

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
280
2020 count
Owner
County
County Highway Agency

About this bridge

Lee RD over Thigpen Creek is a concrete slab carrying Lee RD over Thigpen Creek in Washington Parish, Louisiana. It was built in 2007, so it is 18 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 280 vehicles a day, roughly 10% of them trucks, projected to reach 308 by 2040. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLee RD
CrossesThigpen Creek
Location0.9 Miles North of LA 16
RouteCounty Highway 0
Coordinates30.73968, -90.08346
Functional classUrban 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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic308 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lee RD over Thigpen Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Lee RD over Thigpen 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 November 2023.

How much traffic does Lee RD over Thigpen Creek carry?

About 280 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Lee RD over Thigpen Creek?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Lee RD over Thigpen Creek?

It is owned by the County Highway Agency.