US Bridges

IH 20 EB over FM 31

Fair

Harrison County, Texas · 3.60 MI E of US 59 · Structure no. 191030049510124

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
167 ft
3 main spans
Daily traffic
16,283
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 EB over FM 31 is a steel continuous stringer/multi-beam or girder carrying IH 20 EB over FM 31 in Harrison County, Texas. It was built in 1965, so it is 60 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 16,283 vehicles a day, roughly 38% of them trucks, projected to reach 22,280 by 2033. The structure is 167 ft (50.9 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesIH 20 EB
CrossesFM 31
Location3.60 MI E of US 59
RouteInterstate 20
CountyHarrison County
StateTexas
Coordinates32.4936, -94.29665
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span65 ft (19.8 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,283 (2019)
Projected traffic22,280 by 2033
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 FM 31 built?

It was built in 1965, making it 60 years old in 2025.

What condition is IH 20 EB over FM 31 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 September 2023.

How much traffic does IH 20 EB over FM 31 carry?

About 16,283 vehicles per day (2019 count), of which roughly 38% are trucks.

How long is IH 20 EB over FM 31?

The structure is 167 ft (50.9 m) long with a longest span of 65 ft (19.8 m) and a deck 41 ft wide.

Who owns IH 20 EB over FM 31?

It is owned by the State Highway Agency.