US Bridges

RM 12 over Cypress Creek

Fair

Hays County, Texas · 1.6 MI N of RM 3237 · Structure no. 141060068303011

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
160 ft
4 main spans
Daily traffic
9,376
2023 count
Owner
State
State Highway Agency

About this bridge

RM 12 over Cypress Creek is a concrete continuous slab carrying RM 12 over Cypress Creek in Hays County, Texas. It was built in 1961, so it is 64 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,376 vehicles a day, roughly 5% of them trucks, projected to reach 10,480 by 2033. The structure is 160 ft (48.8 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesRM 12
CrossesCypress Creek
Location1.6 MI N of RM 3237
RouteState Highway 12
CountyHays County
StateTexas
Coordinates30.01251, -98.10406
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadH 15
Structure length160 ft (48.8 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,376 (2023)
Projected traffic10,480 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RM 12 over Cypress Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is RM 12 over Cypress Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does RM 12 over Cypress Creek carry?

About 9,376 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is RM 12 over Cypress Creek?

The structure is 160 ft (48.8 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns RM 12 over Cypress Creek?

It is owned by the State Highway Agency.