US Bridges

Muskrat Rd. over Prime Gully

GoodPosted for load

Acadia Parish, Louisiana · 1.8 Mi. S. of LA 1115 · Structure no. 030100000200576

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
69 ft
4 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

Muskrat Rd. over Prime Gully is a wood or timber stringer/multi-beam or girder carrying Muskrat Rd. over Prime Gully in Acadia Parish, Louisiana. It was built in 2011, so it is 14 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 11 by 2041. The structure is 69 ft (21 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesMuskrat Rd.
CrossesPrime Gully
Location1.8 Mi. S. of LA 1115
RouteCounty Highway 0
CountyAcadia Parish
StateLouisiana
Coordinates30.06652, -92.39461
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating22.5 US tons
Inventory rating16.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 10
Structure length69 ft (21 m)
Longest span19 ft (5.8 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2021)
Projected traffic11 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Muskrat Rd. over Prime Gully built?

It was built in 2011, making it 14 years old in 2025.

What condition is Muskrat Rd. over Prime Gully 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 July 2024.

How much traffic does Muskrat Rd. over Prime Gully carry?

About 10 vehicles per day (2021 count).

How long is Muskrat Rd. over Prime Gully?

The structure is 69 ft (21 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Muskrat Rd. over Prime Gully?

It is owned by the County Highway Agency.