US Bridges

IH 610 EB Off Ramp over IH 45/IH 610 Conns

Fair

Harris County, Texas · IH 610 @ IH 45 (interchg) · Structure no. 121020050003265

Built
1977
48 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
974 ft
1 main span
Daily traffic
3,940
2024 count
Owner
State
State Highway Agency

About this bridge

IH 610 EB Off Ramp over IH 45/IH 610 Conns is a steel stringer/multi-beam or girder carrying IH 610 EB Off Ramp over IH 45/IH 610 Conns 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 3,940 vehicles a day, roughly 7% of them trucks, projected to reach 19,720 by 2028. The structure is 974 ft (296.9 m) long and 25 ft wide.

Location

Open in Google Maps
CarriesIH 610 EB Off Ramp
CrossesIH 45/IH 610 Conns
LocationIH 610 @ IH 45 (interchg)
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.69767, -95.28506
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to 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 (+12 approach)
Design loadHS 20
Structure length974 ft (296.9 m)
Longest span105 ft (32 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck17 ft (5 m)

Traffic and service

Average daily traffic3,940 (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 SystemNo
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 EB Off Ramp over IH 45/IH 610 Conns built?

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

What condition is IH 610 EB Off Ramp over IH 45/IH 610 Conns 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 EB Off Ramp over IH 45/IH 610 Conns carry?

About 3,940 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is IH 610 EB Off Ramp over IH 45/IH 610 Conns?

The structure is 974 ft (296.9 m) long with a longest span of 105 ft (32 m) and a deck 25 ft wide.

Who owns IH 610 EB Off Ramp over IH 45/IH 610 Conns?

It is owned by the State Highway Agency.