US Bridges

RM 2721 over Cave Creek

Good

Gillespie County, Texas · 2.1 MI E of FM 1631 · Structure no. 140870271901001

Built
1962
63 years old, rebuilt 2013
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
562
2020 count
Owner
State
State Highway Agency

About this bridge

RM 2721 over Cave Creek is a concrete culvert carrying RM 2721 over Cave Creek in Gillespie County, Texas. It was built in 1962 and reconstructed in 2013, so it is 63 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 562 vehicles a day, roughly 14% of them trucks, projected to reach 580 by 2033. The structure is 22 ft (6.7 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRM 2721
CrossesCave Creek
Location2.1 MI E of FM 1631
RouteState Highway 2721
CountyGillespie County
StateTexas
Coordinates30.29236, -98.71897
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width49 ft (15 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic562 (2020)
Projected traffic580 by 2033
Trucks14%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was RM 2721 over Cave Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2013.

What condition is RM 2721 over Cave 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 April 2023.

How much traffic does RM 2721 over Cave Creek carry?

About 562 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is RM 2721 over Cave Creek?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 49 ft wide.

Who owns RM 2721 over Cave Creek?

It is owned by the State Highway Agency.