US Bridges

SH 29 over Colorado River Relief

Good

Burnet County, Texas · 0.5 MI E of Llano C/L · Structure no. 140270015005047

Built
2003
22 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
7,101
2023 count
Owner
State
State Highway Agency

About this bridge

SH 29 over Colorado River Relief is a prestressed concrete stringer/multi-beam or girder carrying SH 29 over Colorado River Relief in Burnet County, Texas. It was built in 2003, so it is 22 years old, younger 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 7,101 vehicles a day, roughly 12% of them trucks, projected to reach 7,314 by 2039. The structure is 280 ft (85.3 m) long and 82 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSH 29
CrossesColorado River Relief
Location0.5 MI E of Llano C/L
RouteState Highway 29
StateTexas
Coordinates30.75125, -98.39297
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width82 ft (25 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,101 (2023)
Projected traffic7,314 by 2039
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed14.3 mi (23 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 29 over Colorado River Relief built?

It was built in 2003, making it 22 years old in 2025.

What condition is SH 29 over Colorado River Relief 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 May 2023.

How much traffic does SH 29 over Colorado River Relief carry?

About 7,101 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SH 29 over Colorado River Relief?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 82 ft wide.

Who owns SH 29 over Colorado River Relief?

It is owned by the State Highway Agency.