US Bridges

RM 473 over West Sister Creek

Good

Kendall County, Texas · 0.02 MI W of FM 1376 · Structure no. 151310014209188

Built
2009
16 years old
Condition
Good
inspected June 2024
Type
Other
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
713
2020 count
Owner
State
State Highway Agency

About this bridge

RM 473 over West Sister Creek is a prestressed concrete other carrying RM 473 over West Sister Creek in Kendall County, Texas. It was built in 2009, so it is 16 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 713 vehicles a day, roughly 13% of them trucks, projected to reach 2,100 by 2028. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesRM 473
CrossesWest Sister Creek
Location0.02 MI W of FM 1376
RouteState Highway 473
StateTexas
Coordinates29.97961, -98.72288
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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 typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic713 (2020)
Projected traffic2,100 by 2028
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 473 over West Sister Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is RM 473 over West Sister 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 473 over West Sister Creek carry?

About 713 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is RM 473 over West Sister Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns RM 473 over West Sister Creek?

It is owned by the State Highway Agency.