US Bridges

Strothers Crossing over Calcasieu River

PoorPosted for load

Rapides Parish, Louisiana · 1.11 Miles East of LA 112 · Structure no. 084031046924311

Built
1981
44 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
4 main spans
Daily traffic
90
2022 count
Owner
County
County Highway Agency

About this bridge

Strothers Crossing over Calcasieu River is a steel stringer/multi-beam or girder carrying Strothers Crossing over Calcasieu River in Rapides Parish, Louisiana. It was built in 1981, so it is 44 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 90 vehicles a day, projected to reach 99 by 2042. The structure is 121 ft (36.9 m) long and 22 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesStrothers Crossing
CrossesCalcasieu River
Location1.11 Miles East of LA 112
RouteCounty Highway 0
Coordinates31.07661, -92.718
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans4
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic99 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$411,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Strothers Crossing over Calcasieu River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Strothers Crossing over Calcasieu River 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 October 2023.

How much traffic does Strothers Crossing over Calcasieu River carry?

About 90 vehicles per day (2022 count).

How long is Strothers Crossing over Calcasieu River?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.

Who owns Strothers Crossing over Calcasieu River?

It is owned by the County Highway Agency.