US Bridges

SH 171 over Hackberry Creek

Fair

Hill County, Texas · 2.1 MI N of SH 22 · Structure no. 091100041803039

Built
1979
46 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
225 ft
7 main spans
Daily traffic
2,767
2020 count
Owner
State
State Highway Agency

About this bridge

SH 171 over Hackberry Creek is a concrete stringer/multi-beam or girder carrying SH 171 over Hackberry Creek in Hill County, Texas. It was built in 1979, so it is 46 years old, older 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.

It carries about 2,767 vehicles a day, roughly 18% of them trucks, projected to reach 3,221 by 2039. The structure is 225 ft (68.6 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSH 171
CrossesHackberry Creek
Location2.1 MI N of SH 22
RouteState Highway 171
CountyHill County
StateTexas
Coordinates32.0352, -97.15158
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum 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

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span32 ft (9.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,767 (2020)
Projected traffic3,221 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 171 over Hackberry Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is SH 171 over Hackberry Creek 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 January 2025.

How much traffic does SH 171 over Hackberry Creek carry?

About 2,767 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is SH 171 over Hackberry Creek?

The structure is 225 ft (68.6 m) long with a longest span of 32 ft (9.8 m) and a deck 42 ft wide.

Who owns SH 171 over Hackberry Creek?

It is owned by the State Highway Agency.