US Bridges

Dulles Dr. over Mine Branch Coulee

Good

Lafayette Parish, Louisiana · 0.27 MI W. of LA 3025 · Structure no. 032830132920331

Built
1990
35 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
58 ft
1 main span
Daily traffic
2,140
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dulles Dr. over Mine Branch Coulee is a concrete culvert carrying Dulles Dr. over Mine Branch Coulee in Lafayette Parish, Louisiana. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,140 vehicles a day, projected to reach 2,354 by 2040. The structure is 58 ft (17.7 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDulles Dr.
CrossesMine Branch Coulee
Location0.27 MI W. of LA 3025
RouteCity Street 0
Coordinates30.21962, -92.05593
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span24 ft (7.3 m)
Deck width57 ft (17.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,140 (2020)
Projected traffic2,354 by 2040
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Dulles Dr. over Mine Branch Coulee built?

It was built in 1990, making it 35 years old in 2025.

What condition is Dulles Dr. over Mine Branch Coulee 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 January 2024.

How much traffic does Dulles Dr. over Mine Branch Coulee carry?

About 2,140 vehicles per day (2020 count).

How long is Dulles Dr. over Mine Branch Coulee?

The structure is 58 ft (17.7 m) long with a longest span of 24 ft (7.3 m) and a deck 57 ft wide.

Who owns Dulles Dr. over Mine Branch Coulee?

It is owned by the City or Municipal Highway Agency.