US Bridges

FM 170 over Tapado Canyon

Good

Presidio County, Texas · 24.3 MI SE of US 67 Bus · Structure no. 241890095709056

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
185
2020 count
Owner
State
State Highway Agency

About this bridge

FM 170 over Tapado Canyon is a prestressed concrete stringer/multi-beam or girder carrying FM 170 over Tapado Canyon in Presidio County, Texas. It was built in 2023, so it is 2 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 185 vehicles a day, roughly 2% of them trucks, projected to reach 540 by 2033. The structure is 180 ft (54.9 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFM 170
CrossesTapado Canyon
Location24.3 MI SE of US 67 Bus
RouteState Highway 170
CountyPresidio County
StateTexas
Coordinates29.36326, -104.09245
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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2020)
Projected traffic540 by 2033
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 FM 170 over Tapado Canyon built?

It was built in 2023, making it 2 years old in 2025.

What condition is FM 170 over Tapado Canyon 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 May 2023.

How much traffic does FM 170 over Tapado Canyon carry?

About 185 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is FM 170 over Tapado Canyon?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns FM 170 over Tapado Canyon?

It is owned by the State Highway Agency.