US Bridges

RM 474 over Guadalupe River

Good

Kendall County, Texas · 6.5 MI S of RM 473 · Structure no. 151310104201006

Built
1986
39 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
515 ft
5 main spans
Daily traffic
359
2020 count
Owner
State
State Highway Agency

About this bridge

RM 474 over Guadalupe River is a prestressed concrete stringer/multi-beam or girder carrying RM 474 over Guadalupe River in Kendall 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 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 359 vehicles a day, roughly 24% of them trucks, projected to reach 180 by 2033. The structure is 515 ft (157 m) long and 42 ft wide. If it were closed, the detour would be 59 mi (95 km).

CarriesRM 474
CrossesGuadalupe River
Location6.5 MI S of RM 473
RouteState Highway 474
StateTexas
Coordinates29.89365, -98.66977
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5 (+1 approach)
Design loadHS 20
Structure length515 ft (157 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic359 (2020)
Projected traffic180 by 2033
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed59 mi (95 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 474 over Guadalupe River built?

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

What condition is RM 474 over Guadalupe River 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 474 over Guadalupe River carry?

About 359 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is RM 474 over Guadalupe River?

The structure is 515 ft (157 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns RM 474 over Guadalupe River?

It is owned by the State Highway Agency.