US Bridges

SH 173 SB over US 90 SP Railroad

Good

Medina County, Texas · US 90 at SH 173 · Structure no. 151630002405044

Built
1994
31 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
455 ft
2 main spans
Daily traffic
3,280
2014 count
Owner
State
State Highway Agency

About this bridge

SH 173 SB over US 90 SP Railroad is a prestressed concrete stringer/multi-beam or girder carrying SH 173 SB over US 90 SP Railroad in Medina County, Texas. It was built in 1994, so it is 31 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 3,280 vehicles a day, roughly 12% of them trucks, projected to reach 3,500 by 2034. The structure is 455 ft (138.7 m) long and 52 ft wide.

CarriesSH 173 SB
CrossesUS 90 SP Railroad
LocationUS 90 at SH 173
RouteState Highway 173
StateTexas
Coordinates29.34885, -99.11704
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 20
Structure length455 ft (138.7 m)
Longest span110 ft (33.5 m)
Deck width52 ft (15.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,280 (2014)
Projected traffic3,500 by 2034
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 173 SB over US 90 SP Railroad built?

It was built in 1994, making it 31 years old in 2025.

What condition is SH 173 SB over US 90 SP Railroad 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 August 2022.

How much traffic does SH 173 SB over US 90 SP Railroad carry?

About 3,280 vehicles per day (2014 count), of which roughly 12% are trucks.

How long is SH 173 SB over US 90 SP Railroad?

The structure is 455 ft (138.7 m) long with a longest span of 110 ft (33.5 m) and a deck 52 ft wide.

Who owns SH 173 SB over US 90 SP Railroad?

It is owned by the State Highway Agency.