US Bridges

US0071 over Chevreuille B.

PoorPosted for load

Natchitoches Parish, Louisiana · 1.7 Mi. N of Int LA477 · Structure no. 083500090501041

Built
1956
69 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
1,691
2021 count
Owner
State
State Highway Agency

About this bridge

US0071 over Chevreuille B. is a concrete slab carrying US0071 over Chevreuille B. in Natchitoches Parish, Louisiana. It was built in 1956, so it is 69 years old, older than the Louisiana average of 43 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. Its operating status is: posted for load restriction.

It carries about 1,691 vehicles a day, roughly 15% of them trucks, projected to reach 1,860 by 2041. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS0071
CrossesChevreuille B.
Location1.7 Mi. N of Int LA477
RouteU.S. Route 71
Coordinates31.77143, -92.9859
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,691 (2021)
Projected traffic1,860 by 2041
Trucks15%
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

OwnerState Highway Agency
Maintained byState 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 US0071 over Chevreuille B. built?

It was built in 1956, making it 69 years old in 2025.

What condition is US0071 over Chevreuille B. 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 January 2024.

How much traffic does US0071 over Chevreuille B. carry?

About 1,691 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US0071 over Chevreuille B.?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns US0071 over Chevreuille B.?

It is owned by the State Highway Agency.