US Bridges

Bois Darc LN over Caddo Lake Slough

FairPosted for load

Harrison County, Texas · 0.1 MI E of CR 2502 · Structure no. 191030AA0303001

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
159
2013 count
Owner
County
County Highway Agency

About this bridge

Bois Darc LN over Caddo Lake Slough is a steel stringer/multi-beam or girder carrying Bois Darc LN over Caddo Lake Slough in Harrison County, Texas. It was built in 1993, so it is 32 years old, younger than the Texas average of 44.4 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. Its operating status is: posted for load restriction.

It carries about 159 vehicles a day, projected to reach 159 by 2033. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBois Darc LN
CrossesCaddo Lake Slough
Location0.1 MI E of CR 2502
RouteCounty Highway 2505
StateTexas
Coordinates32.71863, -94.12495
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.2 US tons
Inventory rating15.1 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span29 ft (8.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2013)
Projected traffic159 by 2033
Trucks0%
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 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 Bois Darc LN over Caddo Lake Slough built?

It was built in 1993, making it 32 years old in 2025.

What condition is Bois Darc LN over Caddo Lake Slough 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 July 2024.

How much traffic does Bois Darc LN over Caddo Lake Slough carry?

About 159 vehicles per day (2013 count).

How long is Bois Darc LN over Caddo Lake Slough?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.9 m) and a deck 24 ft wide.

Who owns Bois Darc LN over Caddo Lake Slough?

It is owned by the County Highway Agency.