US Bridges

IH 610 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp

Fair

Harris County, Texas · IH 610 @ IH 45 (interchg) · Structure no. 121020050003263

Built
1977
48 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
859 ft
11 main spans
Daily traffic
25,549
2024 count
Owner
State
State Highway Agency

About this bridge

IH 610 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp is a prestressed concrete stringer/multi-beam or girder carrying IH 610 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp 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 25,549 vehicles a day, roughly 7% of them trucks, projected to reach 19,720 by 2028. The structure is 859 ft (261.8 m) long and 31 ft wide.

Location

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CarriesIH 610 Eb/Ih 45 SB
CrossesIH 45 SB FR & Off Ramp
LocationIH 610 @ IH 45 (interchg)
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.69637, -95.28963
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length859 ft (261.8 m)
Longest span85 ft (25.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,549 (2024)
Projected traffic19,720 by 2028
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 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 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp built?

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

What condition is IH 610 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp 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 2022.

How much traffic does IH 610 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp carry?

About 25,549 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is IH 610 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp?

The structure is 859 ft (261.8 m) long with a longest span of 85 ft (25.9 m) and a deck 31 ft wide.

Who owns IH 610 Eb/Ih 45 SB over IH 45 SB FR & Off Ramp?

It is owned by the State Highway Agency.