US Bridges

IH 20 WB over Harris Creek

Good

Smith County, Texas · 1.0 MI E of SH 155 · Structure no. 102120049505313

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
470 ft
4 main spans
Daily traffic
18,725
2021 count
Owner
State
State Highway Agency

About this bridge

IH 20 WB over Harris Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 20 WB over Harris Creek in Smith County, Texas. It was built in 2003, so it is 22 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 18,725 vehicles a day, roughly 43% of them trucks, projected to reach 26,215 by 2041. The structure is 470 ft (143.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 WB
CrossesHarris Creek
Location1.0 MI E of SH 155
RouteInterstate 20
StateTexas
Coordinates32.44765, -95.17149
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length470 ft (143.3 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,725 (2021)
Projected traffic26,215 by 2041
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 20 WB over Harris Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is IH 20 WB over Harris Creek 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 April 2023.

How much traffic does IH 20 WB over Harris Creek carry?

About 18,725 vehicles per day (2021 count), of which roughly 43% are trucks.

How long is IH 20 WB over Harris Creek?

The structure is 470 ft (143.3 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns IH 20 WB over Harris Creek?

It is owned by the State Highway Agency.