US Bridges

SH 155 over IH 20

Fair

Smith County, Texas · 2.5 MI E of FM 2015 · Structure no. 102120049505171

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
4 main spans
Daily traffic
7,873
2021 count
Owner
State
State Highway Agency

About this bridge

SH 155 over IH 20 is a steel continuous stringer/multi-beam or girder carrying SH 155 over IH 20 in Smith County, Texas. It was built in 1964, so it is 61 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 7,873 vehicles a day, roughly 12% of them trucks, projected to reach 11,022 by 2041. The structure is 242 ft (73.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 155
CrossesIH 20
Location2.5 MI E of FM 2015
RouteState Highway 155
CountySmith County
StateTexas
Coordinates32.44959, -95.1884
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length242 ft (73.8 m)
Longest span65 ft (19.8 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,873 (2021)
Projected traffic11,022 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 SH 155 over IH 20 built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 155 over IH 20 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 SH 155 over IH 20 carry?

About 7,873 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SH 155 over IH 20?

The structure is 242 ft (73.8 m) long with a longest span of 65 ft (19.8 m) and a deck 44 ft wide.

Who owns SH 155 over IH 20?

It is owned by the State Highway Agency.