US Bridges

SH 31 Ml & EB Exit over North Fork Pin Oak Creek

Fair

Hill County, Texas · 1.18 MI NE of SH 171 · Structure no. 091100016202410

Built
2021
4 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
53 ft
4 main spans
Daily traffic
7,200
2017 count
Owner
State
State Highway Agency

About this bridge

SH 31 Ml & EB Exit over North Fork Pin Oak Creek is a concrete culvert carrying SH 31 Ml & EB Exit over North Fork Pin Oak Creek in Hill County, Texas. It was built in 2021, so it is 4 years old, younger 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 7,200 vehicles a day, roughly 16% of them trucks, projected to reach 9,900 by 2037. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 31 Ml & EB Exit
CrossesNorth Fork Pin Oak Creek
Location1.18 MI NE of SH 171
RouteState Highway 31
StateTexas
Coordinates31.85623, -96.78158
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable 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 length53 ft (16.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2017)
Projected traffic9,900 by 2037
Trucks16%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 31 Ml & EB Exit over North Fork Pin Oak Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is SH 31 Ml & EB Exit over North Fork Pin Oak 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 February 2023.

How much traffic does SH 31 Ml & EB Exit over North Fork Pin Oak Creek carry?

About 7,200 vehicles per day (2017 count), of which roughly 16% are trucks.

How long is SH 31 Ml & EB Exit over North Fork Pin Oak Creek?

The structure is 53 ft (16.2 m) long with a longest span of 12 ft (3.7 m).

Who owns SH 31 Ml & EB Exit over North Fork Pin Oak Creek?

It is owned by the State Highway Agency.