US Bridges

SH 47 NB over Thompson Creek

Good

Brazos County, Texas · 1.3 MI SE of SH 21 · Structure no. 170210313802003

Built
1996
29 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
320 ft
8 main spans
Daily traffic
4,372
2021 count
Owner
State
State Highway Agency

About this bridge

SH 47 NB over Thompson Creek is a concrete stringer/multi-beam or girder carrying SH 47 NB over Thompson Creek in Brazos County, Texas. It was built in 1996, so it is 29 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 4,372 vehicles a day, roughly 8% of them trucks, projected to reach 12,242 by 2041. The structure is 320 ft (97.5 m) long and 40 ft wide.

CarriesSH 47 NB
CrossesThompson Creek
Location1.3 MI SE of SH 21
RouteState Highway 47
StateTexas
Coordinates30.63788, -96.45225
Functional classUrban Other Principal 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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,372 (2021)
Projected traffic12,242 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 47 NB over Thompson Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SH 47 NB over Thompson 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 February 2023.

How much traffic does SH 47 NB over Thompson Creek carry?

About 4,372 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SH 47 NB over Thompson Creek?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns SH 47 NB over Thompson Creek?

It is owned by the State Highway Agency.