US Bridges

SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml

Good

Nolan County, Texas · 1.25 MI W of FM 1856 · Structure no. 081770000603318

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
324 ft
2 main spans
Daily traffic
5,120
2013 count
Owner
State
State Highway Agency

About this bridge

SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml is a prestressed concrete stringer/multi-beam or girder carrying SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml in Nolan County, Texas. It was built in 1989, so it is 36 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 5,120 vehicles a day, roughly 7% of them trucks, projected to reach 7,200 by 2033. The structure is 324 ft (98.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 70 / Bus 20 Con
CrossesIH 20 EB Ml & WB Ml
Location1.25 MI W of FM 1856
RouteState Highway 70
StateTexas
Coordinates32.48392, -100.35879
Functional classUrban Other Principal Arterial

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.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length324 ft (98.8 m)
Longest span102 ft (31.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,120 (2013)
Projected traffic7,200 by 2033
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml built?

It was built in 1989, making it 36 years old in 2025.

What condition is SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml 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 March 2023.

How much traffic does SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml carry?

About 5,120 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml?

The structure is 324 ft (98.8 m) long with a longest span of 102 ft (31.1 m) and a deck 28 ft wide.

Who owns SH 70 / Bus 20 Con over IH 20 EB Ml & WB Ml?

It is owned by the State Highway Agency.