US Bridges

RM 1174 over N Fork San Gabriel River

Fair

Burnet County, Texas · 7.60 MI N of RM 243 · Structure no. 140270134902003

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
5 main spans
Daily traffic
417
2020 count
Owner
State
State Highway Agency

About this bridge

RM 1174 over N Fork San Gabriel River is a prestressed concrete stringer/multi-beam or girder carrying RM 1174 over N Fork San Gabriel River in Burnet County, Texas. It was built in 1986, so it is 39 years old, younger 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 417 vehicles a day, roughly 12% of them trucks, projected to reach 430 by 2033. The structure is 250 ft (76.2 m) long and 30 ft wide.

CarriesRM 1174
CrossesN Fork San Gabriel River
Location7.60 MI N of RM 243
RouteState Highway 1174
StateTexas
Coordinates30.8428, -98.09753
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic417 (2020)
Projected traffic430 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 1174 over N Fork San Gabriel River built?

It was built in 1986, making it 39 years old in 2025.

What condition is RM 1174 over N Fork San Gabriel River 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 June 2023.

How much traffic does RM 1174 over N Fork San Gabriel River carry?

About 417 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is RM 1174 over N Fork San Gabriel River?

The structure is 250 ft (76.2 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns RM 1174 over N Fork San Gabriel River?

It is owned by the State Highway Agency.