US Bridges

Unimin Haul Road over SH 71

Good

McCulloch County, Texas · 3.1 MI E of CR 216 · Structure no. 231600110201019

Built
2012
13 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
1 main span
Daily traffic
100
2013 count
Owner
Private
Private (other than railroad)

About this bridge

Unimin Haul Road over SH 71 is a prestressed concrete stringer/multi-beam or girder carrying Unimin Haul Road over SH 71 in McCulloch 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 100 vehicles a day, roughly 75% of them trucks, projected to reach 1,000 by 2030. The structure is 129 ft (39.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUnimin Haul Road
CrossesSH 71
Location3.1 MI E of CR 216
StateTexas
Coordinates30.99971, -99.15363
Functional classRural Local

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length129 ft (39.3 m)
Longest span129 ft (39.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic1,000 by 2030
Trucks75%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Unimin Haul Road over SH 71 built?

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

What condition is Unimin Haul Road over SH 71 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 July 2023.

How much traffic does Unimin Haul Road over SH 71 carry?

About 100 vehicles per day (2013 count), of which roughly 75% are trucks.

How long is Unimin Haul Road over SH 71?

The structure is 129 ft (39.3 m) long with a longest span of 129 ft (39.3 m) and a deck 43 ft wide.

Who owns Unimin Haul Road over SH 71?

It is owned by the Private (other than railroad).