US Bridges

RM 12 over Barton Creek

Good

Hays County, Texas · 3.7 MI N of US 290 · Structure no. 141060068305014

Built
1969
56 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
4 main spans
Daily traffic
7,062
2020 count
Owner
State
State Highway Agency

About this bridge

RM 12 over Barton Creek is a prestressed concrete stringer/multi-beam or girder carrying RM 12 over Barton Creek in Hays County, Texas. It was built in 1969, so it is 56 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 7,062 vehicles a day, roughly 5% of them trucks, projected to reach 8,490 by 2033. The structure is 220 ft (67.1 m) long and 28 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesRM 12
CrossesBarton Creek
Location3.7 MI N of US 290
RouteState Highway 12
StateTexas
Coordinates30.23799, -98.0665
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length220 ft (67.1 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,062 (2020)
Projected traffic8,490 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RM 12 over Barton Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is RM 12 over Barton 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 August 2024.

How much traffic does RM 12 over Barton Creek carry?

About 7,062 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RM 12 over Barton Creek?

The structure is 220 ft (67.1 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns RM 12 over Barton Creek?

It is owned by the State Highway Agency.