US Bridges

FM 3021 over Rocky Creek

Good

Brown County, Texas · 2.35 MI E of SH 279 · Structure no. 230250310201002

Built
1977
48 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
551
2023 count
Owner
State
State Highway Agency

About this bridge

FM 3021 over Rocky Creek is a concrete stringer/multi-beam or girder carrying FM 3021 over Rocky Creek in Brown County, Texas. It was built in 1977, so it is 48 years old, older 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 551 vehicles a day, roughly 7% of them trucks, projected to reach 790 by 2038. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 3021
CrossesRocky Creek
Location2.35 MI E of SH 279
RouteState Highway 3021
StateTexas
Coordinates31.80515, -99.0693
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic551 (2023)
Projected traffic790 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3021 over Rocky Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is FM 3021 over Rocky Creek 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 March 2024.

How much traffic does FM 3021 over Rocky Creek carry?

About 551 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 3021 over Rocky Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns FM 3021 over Rocky Creek?

It is owned by the State Highway Agency.