US Bridges

US 77 over White Rock Creek

Fair

Hill County, Texas · 5.4 MI NE of IH 35 · Structure no. 091100004806023

Built
1931
94 years old, rebuilt 1960
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
3 main spans
Daily traffic
1,178
2020 count
Owner
State
State Highway Agency

About this bridge

US 77 over White Rock Creek is a steel stringer/multi-beam or girder carrying US 77 over White Rock Creek in Hill County, Texas. It was built in 1931 and reconstructed in 1960, so it is 94 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 1,178 vehicles a day, roughly 22% of them trucks, projected to reach 1,450 by 2033. The structure is 137 ft (41.8 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 77
CrossesWhite Rock Creek
Location5.4 MI NE of IH 35
RouteU.S. Route 77
CountyHill County
StateTexas
Coordinates32.08346, -97.01636
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 geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length137 ft (41.8 m)
Longest span45 ft (13.7 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,178 (2020)
Projected traffic1,450 by 2033
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 77 over White Rock Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1960.

What condition is US 77 over White Rock 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 US 77 over White Rock Creek carry?

About 1,178 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is US 77 over White Rock Creek?

The structure is 137 ft (41.8 m) long with a longest span of 45 ft (13.7 m) and a deck 46 ft wide.

Who owns US 77 over White Rock Creek?

It is owned by the State Highway Agency.