US Bridges

IH 610 WB over IH 45 & SH 35

Fair

Harris County, Texas · IH 610 @ IH 45 (interchg) · Structure no. 121020050201259

Built
1977
48 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,894 ft
1 main span
Daily traffic
66,190
2013 count
Owner
State
State Highway Agency

About this bridge

IH 610 WB over IH 45 & SH 35 is a steel stringer/multi-beam or girder carrying IH 610 WB over IH 45 & SH 35 in Harris County, Texas. It was built in 1977, so it is 48 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 66,190 vehicles a day, roughly 8% of them trucks, projected to reach 92,670 by 2033. The structure is 1,894 ft (577.3 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 610 WB
CrossesIH 45 & SH 35
LocationIH 610 @ IH 45 (interchg)
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.69702, -95.29035
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+26 approach)
Design loadHS 20
Structure length1,894 ft (577.3 m)
Longest span99 ft (30.2 m)
Deck width74 ft (22.7 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,190 (2013)
Projected traffic92,670 by 2033
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 WB over IH 45 & SH 35 built?

It was built in 1977, making it 48 years old in 2025.

What condition is IH 610 WB over IH 45 & SH 35 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 610 WB over IH 45 & SH 35 carry?

About 66,190 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is IH 610 WB over IH 45 & SH 35?

The structure is 1,894 ft (577.3 m) long with a longest span of 99 ft (30.2 m) and a deck 74 ft wide.

Who owns IH 610 WB over IH 45 & SH 35?

It is owned by the State Highway Agency.