US Bridges

IH 20 EB over SH 108 South

Fair

Erath County, Texas · 3.0 MI W of FM 919 · Structure no. 020730031404118

Built
1970
55 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
1 main span
Daily traffic
13,386
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 EB over SH 108 South is a prestressed concrete stringer/multi-beam or girder carrying IH 20 EB over SH 108 South in Erath County, Texas. It was built in 1970, so it is 55 years old, older 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 13,386 vehicles a day, roughly 27% of them trucks, projected to reach 15,120 by 2038. The structure is 150 ft (45.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 EB
CrossesSH 108 South
Location3.0 MI W of FM 919
RouteInterstate 20
StateTexas
Coordinates32.50579, -98.41781
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,386 (2019)
Projected traffic15,120 by 2038
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 20 EB over SH 108 South built?

It was built in 1970, making it 55 years old in 2025.

What condition is IH 20 EB over SH 108 South 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 April 2023.

How much traffic does IH 20 EB over SH 108 South carry?

About 13,386 vehicles per day (2019 count), of which roughly 27% are trucks.

How long is IH 20 EB over SH 108 South?

The structure is 150 ft (45.7 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns IH 20 EB over SH 108 South?

It is owned by the State Highway Agency.