US Bridges

Thornberry DR over Carters Creek

Good

Brazos County, Texas · 1.51 MI NW of FM 1179 · Structure no. 170210B01002003

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
500
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thornberry DR over Carters Creek is a concrete culvert carrying Thornberry DR over Carters Creek in Brazos County, Texas. It was built in 2012, so it is 13 years old, younger than the Texas average of 44.4 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2033. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesThornberry DR
CrossesCarters Creek
Location1.51 MI NW of FM 1179
RouteCity Street 0
StateTexas
Coordinates30.68954, -96.33222
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2013)
Projected traffic1,000 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Thornberry DR over Carters Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Thornberry DR over Carters 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 September 2023.

How much traffic does Thornberry DR over Carters Creek carry?

About 500 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Thornberry DR over Carters Creek?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m).

Who owns Thornberry DR over Carters Creek?

It is owned by the City or Municipal Highway Agency.