US Bridges

Houston Thomas RD over Crystal Creek

Good

Washington Parish, Louisiana · 1.2 M. W. of HWY 62 · Structure no. 625930582895851

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
79 ft
4 main spans
Daily traffic
410
2020 count
Owner
County
County Highway Agency

About this bridge

Houston Thomas RD over Crystal Creek is a concrete slab carrying Houston Thomas RD over Crystal Creek in Washington 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 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.

It carries about 410 vehicles a day, projected to reach 451 by 2040. The structure is 79 ft (24.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHouston Thomas RD
CrossesCrystal Creek
Location1.2 M. W. of HWY 62
RouteCounty Highway 0
Coordinates30.97015, -89.97287
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2020)
Projected traffic451 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Houston Thomas RD over Crystal Creek built?

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

What condition is Houston Thomas RD over Crystal Creek 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 November 2023.

How much traffic does Houston Thomas RD over Crystal Creek carry?

About 410 vehicles per day (2020 count).

How long is Houston Thomas RD over Crystal Creek?

The structure is 79 ft (24.1 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Houston Thomas RD over Crystal Creek?

It is owned by the County Highway Agency.