US Bridges

Spencer RD over Coulee

Fair

Vermilion Parish, Louisiana · 5.2 MI W of LA 91 · Structure no. 035729571923571

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
44 ft
2 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

Spencer RD over Coulee is a concrete channel beam carrying Spencer RD over Coulee in Vermilion Parish, Louisiana. It was built in 1960, so it is 65 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 70 vehicles a day, projected to reach 77 by 2042. The structure is 44 ft (13.4 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSpencer RD
CrossesCoulee
Location5.2 MI W of LA 91
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates29.9521, -92.5973
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.2 US tons
Inventory rating19 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic77 by 2042
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 Spencer RD over Coulee built?

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

What condition is Spencer RD over Coulee 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 July 2023.

How much traffic does Spencer RD over Coulee carry?

About 70 vehicles per day (2022 count).

How long is Spencer RD over Coulee?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns Spencer RD over Coulee?

It is owned by the County Highway Agency.