US Bridges

SH 70 over Prairie Dog Tn Fk Red Ri

Fair

Hall County, Texas · 14.2 MI W of FM 657 · Structure no. 250970031102016

Built
1996
29 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,260 ft
18 main spans
Daily traffic
310
2019 count
Owner
State
State Highway Agency

About this bridge

SH 70 over Prairie Dog Tn Fk Red Ri is a prestressed concrete stringer/multi-beam or girder carrying SH 70 over Prairie Dog Tn Fk Red Ri in Hall County, Texas. It was built in 1996, so it is 29 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 310 vehicles a day, roughly 27% of them trucks, projected to reach 430 by 2033. The structure is 1,260 ft (384 m) long and 36 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesSH 70
CrossesPrairie Dog Tn Fk Red Ri
Location14.2 MI W of FM 657
RouteState Highway 70
CountyHall County
StateTexas
Coordinates34.62919, -100.94194
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans18
Design loadHS 20
Structure length1,260 ft (384 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2019)
Projected traffic430 by 2033
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 SH 70 over Prairie Dog Tn Fk Red Ri built?

It was built in 1996, making it 29 years old in 2025.

What condition is SH 70 over Prairie Dog Tn Fk Red Ri 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 SH 70 over Prairie Dog Tn Fk Red Ri carry?

About 310 vehicles per day (2019 count), of which roughly 27% are trucks.

How long is SH 70 over Prairie Dog Tn Fk Red Ri?

The structure is 1,260 ft (384 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns SH 70 over Prairie Dog Tn Fk Red Ri?

It is owned by the State Highway Agency.