US Bridges

US 84 over Rock Creek

Fair

Coryell County, Texas · 0.90 MI E of SH 36 · Structure no. 090500005505022

Built
1934
91 years old, rebuilt 1996
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
13,738
2020 count
Owner
State
State Highway Agency

About this bridge

US 84 over Rock Creek is a concrete culvert carrying US 84 over Rock Creek in Coryell County, Texas. It was built in 1934 and reconstructed in 1996, so it is 91 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 13,738 vehicles a day, roughly 10% of them trucks, projected to reach 11,520 by 2033. The structure is 33 ft (10.1 m) long and 123 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 84
CrossesRock Creek
Location0.90 MI E of SH 36
RouteU.S. Route 84
CountyCoryell County
StateTexas
Coordinates31.43085, -97.70066
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width123 ft (37.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,738 (2020)
Projected traffic11,520 by 2033
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 84 over Rock Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1996.

What condition is US 84 over 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 December 2024.

How much traffic does US 84 over Rock Creek carry?

About 13,738 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is US 84 over Rock Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 123 ft wide.

Who owns US 84 over Rock Creek?

It is owned by the State Highway Agency.