US Bridges

FM 308 over White Rock Crk Rel(no 2)

Good

Hill County, Texas · 4.4 MI N of SH 171 · Structure no. 091100083402167

Built
2022
3 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
115 ft
2 main spans
Daily traffic
742
2020 count
Owner
State
State Highway Agency

About this bridge

FM 308 over White Rock Crk Rel(no 2) is a prestressed concrete box beam or girders - single or spread carrying FM 308 over White Rock Crk Rel(no 2) in Hill County, Texas. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 742 vehicles a day, roughly 13% of them trucks, projected to reach 1,000 by 2040. The structure is 115 ft (35.1 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFM 308
CrossesWhite Rock Crk Rel(no 2)
Location4.4 MI N of SH 171
RouteState Highway 308
CountyHill County
StateTexas
Coordinates31.97655, -96.87411
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: 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 typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span65 ft (19.8 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic742 (2020)
Projected traffic1,000 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 308 over White Rock Crk Rel(no 2) built?

It was built in 2022, making it 3 years old in 2025.

What condition is FM 308 over White Rock Crk Rel(no 2) 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 FM 308 over White Rock Crk Rel(no 2) carry?

About 742 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is FM 308 over White Rock Crk Rel(no 2)?

The structure is 115 ft (35.1 m) long with a longest span of 65 ft (19.8 m) and a deck 34 ft wide.

Who owns FM 308 over White Rock Crk Rel(no 2)?

It is owned by the State Highway Agency.