US Bridges

IH 20 WB over SH 137

Fair

Martin County, Texas · At JCT of SH 137/IH 20 · Structure no. 061560000504206

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
3 main spans
Daily traffic
14,157
2022 count
Owner
State
State Highway Agency

About this bridge

IH 20 WB over SH 137 is a steel continuous stringer/multi-beam or girder carrying IH 20 WB over SH 137 in Martin County, Texas. It was built in 1968, so it is 57 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 14,157 vehicles a day, roughly 37% of them trucks, projected to reach 14,358 by 2042. The structure is 190 ft (57.9 m) long and 42 ft wide.

CarriesIH 20 WB
CrossesSH 137
LocationAt JCT of SH 137/IH 20
RouteInterstate 20
StateTexas
Coordinates32.13848, -101.80591
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,157 (2022)
Projected traffic14,358 by 2042
Trucks37%
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 WB over SH 137 built?

It was built in 1968, making it 57 years old in 2025.

What condition is IH 20 WB over SH 137 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 August 2023.

How much traffic does IH 20 WB over SH 137 carry?

About 14,157 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is IH 20 WB over SH 137?

The structure is 190 ft (57.9 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns IH 20 WB over SH 137?

It is owned by the State Highway Agency.