US Bridges

SH 171/174 over East Buffalo Creek

Good

Johnson County, Texas · 0.02 MI S of FM 4 · Structure no. 021270001902046

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
370 ft
6 main spans
Daily traffic
23,357
2024 count
Owner
State
State Highway Agency

About this bridge

SH 171/174 over East Buffalo Creek is a steel continuous stringer/multi-beam or girder carrying SH 171/174 over East Buffalo Creek in Johnson County, Texas. It was built in 2002, so it is 23 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 23,357 vehicles a day, roughly 5% of them trucks, projected to reach 21,700 by 2038. The structure is 370 ft (112.8 m) long and 98 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 171/174
CrossesEast Buffalo Creek
Location0.02 MI S of FM 4
RouteState Highway 171
StateTexas
Coordinates32.33695, -97.38376
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span62 ft (18.8 m)
Deck width98 ft (30 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,357 (2024)
Projected traffic21,700 by 2038
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 171/174 over East Buffalo Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is SH 171/174 over East Buffalo 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 October 2024.

How much traffic does SH 171/174 over East Buffalo Creek carry?

About 23,357 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SH 171/174 over East Buffalo Creek?

The structure is 370 ft (112.8 m) long with a longest span of 62 ft (18.8 m) and a deck 98 ft wide.

Who owns SH 171/174 over East Buffalo Creek?

It is owned by the State Highway Agency.