US Bridges

RM 12 over Sink Creek

Good

Hays County, Texas · 3.15 MI W of SH 80 · Structure no. 141060028503006

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
3 main spans
Daily traffic
11,656
2020 count
Owner
State
State Highway Agency

About this bridge

RM 12 over Sink Creek is a prestressed concrete stringer/multi-beam or girder carrying RM 12 over Sink Creek in Hays County, Texas. It was built in 2011, so it is 14 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 11,656 vehicles a day, roughly 5% of them trucks, projected to reach 14,500 by 2033. The structure is 225 ft (68.6 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRM 12
CrossesSink Creek
Location3.15 MI W of SH 80
RouteState Highway 12
CountyHays County
StateTexas
Coordinates29.91527, -98.03482
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 inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length225 ft (68.6 m)
Longest span75 ft (22.9 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,656 (2020)
Projected traffic14,500 by 2033
Trucks5%
Lanes on structure2
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 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 RM 12 over Sink Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is RM 12 over Sink 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 September 2024.

How much traffic does RM 12 over Sink Creek carry?

About 11,656 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RM 12 over Sink Creek?

The structure is 225 ft (68.6 m) long with a longest span of 75 ft (22.9 m) and a deck 46 ft wide.

Who owns RM 12 over Sink Creek?

It is owned by the State Highway Agency.