US Bridges

IH 10 Wb/Ih 45 SB over IH 10 EB & IH45

Fair

Harris County, Texas · At IH 10 and IH 45 · Structure no. 121020027107355

Built
1967
58 years old, rebuilt 1972
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,660 ft
5 main spans
Daily traffic
71,520
2010 count
Owner
State
State Highway Agency

About this bridge

IH 10 Wb/Ih 45 SB over IH 10 EB & IH45 is a steel continuous stringer/multi-beam or girder carrying IH 10 Wb/Ih 45 SB over IH 10 EB & IH45 in Harris County, Texas. It was built in 1967 and reconstructed in 1972, so it is 58 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 5 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 71,520 vehicles a day, roughly 9% of them trucks, projected to reach 100,610 by 2030. The structure is 1,660 ft (506 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIH 10 Wb/Ih 45 SB
CrossesIH 10 EB & IH45
LocationAt IH 10 and IH 45
RouteInterstate 10
CountyHarris County
StateTexas
Coordinates29.76933, -95.36561
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+16 approach)
Design loadHS 20
Structure length1,660 ft (506 m)
Longest span129 ft (39.3 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,520 (2010)
Projected traffic100,610 by 2030
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$116,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 10 Wb/Ih 45 SB over IH 10 EB & IH45 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1972.

What condition is IH 10 Wb/Ih 45 SB over IH 10 EB & IH45 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 December 2024.

How much traffic does IH 10 Wb/Ih 45 SB over IH 10 EB & IH45 carry?

About 71,520 vehicles per day (2010 count), of which roughly 9% are trucks.

How long is IH 10 Wb/Ih 45 SB over IH 10 EB & IH45?

The structure is 1,660 ft (506 m) long with a longest span of 129 ft (39.3 m) and a deck 31 ft wide.

Who owns IH 10 Wb/Ih 45 SB over IH 10 EB & IH45?

It is owned by the State Highway Agency.