US Bridges

SH 29 over Rocky Hollow

Good

Burnet County, Texas · 5.25 MI W of US 281 · Structure no. 140270015005011

Built
1937
88 years old, rebuilt 1956
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
6,918
2020 count
Owner
State
State Highway Agency

About this bridge

SH 29 over Rocky Hollow is a concrete culvert carrying SH 29 over Rocky Hollow in Burnet County, Texas. It was built in 1937 and reconstructed in 1956, so it is 88 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 6,918 vehicles a day, roughly 9% of them trucks, projected to reach 6,890 by 2033. The structure is 33 ft (10.1 m) long and 65 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSH 29
CrossesRocky Hollow
Location5.25 MI W of US 281
RouteState Highway 29
CountyBurnet County
StateTexas
Coordinates30.76642, -98.31438
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.6 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 width65 ft (19.9 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,918 (2020)
Projected traffic6,890 by 2033
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 SH 29 over Rocky Hollow built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1956.

What condition is SH 29 over Rocky Hollow 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 June 2023.

How much traffic does SH 29 over Rocky Hollow carry?

About 6,918 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 29 over Rocky Hollow?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 65 ft wide.

Who owns SH 29 over Rocky Hollow?

It is owned by the State Highway Agency.