US Bridges

E Stephenville RD over Milhomme Bayou

Fair

St. Martin Parish, Louisiana · 1.4 MI NE of LA 70 · Structure no. 035029468910991

Built
2001
24 years old
Condition
Fair
inspected October 2024
Type
Movable - Swing
Steel
Length
366 ft
7 main spans
Daily traffic
756
2020 count
Owner
County
County Highway Agency

About this bridge

E Stephenville RD over Milhomme Bayou is a steel movable - swing carrying E Stephenville RD over Milhomme Bayou in St. Martin Parish, Louisiana. It was built in 2001, so it is 24 years old, younger 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 6 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 756 vehicles a day, projected to reach 831 by 2040. The structure is 366 ft (111.6 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesE Stephenville RD
CrossesMilhomme Bayou
Location1.4 MI NE of LA 70
RouteCounty Highway 0
CountySt. Martin Parish
StateLouisiana
Coordinates29.78015, -91.16739
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans7
Design loadHS 20
Structure length366 ft (111.6 m)
Longest span240 ft (73.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic756 (2020)
Projected traffic831 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was E Stephenville RD over Milhomme Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is E Stephenville RD over Milhomme Bayou 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 October 2024.

How much traffic does E Stephenville RD over Milhomme Bayou carry?

About 756 vehicles per day (2020 count).

How long is E Stephenville RD over Milhomme Bayou?

The structure is 366 ft (111.6 m) long with a longest span of 240 ft (73.2 m) and a deck 33 ft wide.

Who owns E Stephenville RD over Milhomme Bayou?

It is owned by the County Highway Agency.