US Bridges

RM 12 over Branch of Sink Creek

Good

Hays County, Texas · 4.0 MI W of SH 80 · Structure no. 141060028503007

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
14,217
2022 count
Owner
State
State Highway Agency

About this bridge

RM 12 over Branch of Sink Creek is a concrete culvert carrying RM 12 over Branch of 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 14,217 vehicles a day, roughly 8% of them trucks, projected to reach 17,668 by 2039. The structure is 24 ft (7.2 m) long and 79 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRM 12
CrossesBranch of Sink Creek
Location4.0 MI W of SH 80
RouteState Highway 12
CountyHays County
StateTexas
Coordinates29.91651, -98.04795
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 inspectionJune 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length24 ft (7.2 m)
Longest span6 ft (1.7 m)
Deck width79 ft (24.1 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,217 (2022)
Projected traffic17,668 by 2039
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Branch of Sink Creek built?

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

What condition is RM 12 over Branch of 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 June 2024.

How much traffic does RM 12 over Branch of Sink Creek carry?

About 14,217 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is RM 12 over Branch of Sink Creek?

The structure is 24 ft (7.2 m) long with a longest span of 6 ft (1.7 m) and a deck 79 ft wide.

Who owns RM 12 over Branch of Sink Creek?

It is owned by the State Highway Agency.