US Bridges

FM 170 over Fresno Creek

Fair

Presidio County, Texas · 42.3 MI SE of US 67 Bus · Structure no. 241890095709017

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
165 ft
2 main spans
Daily traffic
185
2020 count
Owner
State
State Highway Agency

About this bridge

FM 170 over Fresno Creek is a prestressed concrete box beam or girders - multiple carrying FM 170 over Fresno Creek in Presidio County, Texas. It was built in 1982, so it is 43 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 185 vehicles a day, roughly 2% of them trucks, projected to reach 540 by 2033. The structure is 165 ft (50.3 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 170
CrossesFresno Creek
Location42.3 MI SE of US 67 Bus
RouteState Highway 170
StateTexas
Coordinates29.297, -103.84814
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span83 ft (25.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2020)
Projected traffic540 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-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 Fresno Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is FM 170 over Fresno Creek 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 May 2023.

How much traffic does FM 170 over Fresno Creek carry?

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

How long is FM 170 over Fresno Creek?

The structure is 165 ft (50.3 m) long with a longest span of 83 ft (25.3 m) and a deck 36 ft wide.

Who owns FM 170 over Fresno Creek?

It is owned by the State Highway Agency.