US Bridges

IH 610W NB On-Ramp over IH 610W NB Off-Ramp

Good

Harris County, Texas · 1.07 MI N of US 59 · Structure no. 121020027117537

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Steel
Length
750 ft
5 main spans
Daily traffic
26,000
2014 count
Owner
State
State Highway Agency

About this bridge

IH 610W NB On-Ramp over IH 610W NB Off-Ramp is a steel box beam or girders - multiple carrying IH 610W NB On-Ramp over IH 610W NB Off-Ramp in Harris County, Texas. It was built in 2006, so it is 19 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 26,000 vehicles a day, roughly 3% of them trucks, projected to reach 36,400 by 2034. The structure is 750 ft (228.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 610W NB On-Ramp
CrossesIH 610W NB Off-Ramp
Location1.07 MI N of US 59
CountyHarris County
StateTexas
Coordinates29.74476, -95.45689
Functional classUrban 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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 typeBox Beam or Girders - Multiple
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length750 ft (228.6 m)
Longest span150 ft (45.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2014)
Projected traffic36,400 by 2034
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
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 610W NB On-Ramp over IH 610W NB Off-Ramp built?

It was built in 2006, making it 19 years old in 2025.

What condition is IH 610W NB On-Ramp over IH 610W NB Off-Ramp 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 November 2024.

How much traffic does IH 610W NB On-Ramp over IH 610W NB Off-Ramp carry?

About 26,000 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is IH 610W NB On-Ramp over IH 610W NB Off-Ramp?

The structure is 750 ft (228.6 m) long with a longest span of 150 ft (45.7 m) and a deck 26 ft wide.

Who owns IH 610W NB On-Ramp over IH 610W NB Off-Ramp?

It is owned by the State Highway Agency.