US Bridges

IH 610 Nwt Conn over Old Katy RD & Transt Ctr

Good

Harris County, Texas · 1.3 MI S of US 290 · Structure no. 121020027114683

Built
1988
37 years old, rebuilt 2013
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,409 ft
3 main spans
Daily traffic
70,000
2013 count
Owner
State
State Highway Agency

About this bridge

IH 610 Nwt Conn over Old Katy RD & Transt Ctr is a steel continuous stringer/multi-beam or girder carrying IH 610 Nwt Conn over Old Katy RD & Transt Ctr in Harris County, Texas. It was built in 1988 and reconstructed in 2013, so it is 37 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 70,000 vehicles a day, roughly 1% of them trucks, projected to reach 78,220 by 2031. The structure is 1,409 ft (429.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 610 Nwt Conn
CrossesOld Katy RD & Transt Ctr
Location1.3 MI S of US 290
RouteState Highway 610
StateTexas
Coordinates29.78406, -95.45267
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadHS 20
Structure length1,409 ft (429.5 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,000 (2013)
Projected traffic78,220 by 2031
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Nwt Conn over Old Katy RD & Transt Ctr built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2013.

What condition is IH 610 Nwt Conn over Old Katy RD & Transt Ctr 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 August 2024.

How much traffic does IH 610 Nwt Conn over Old Katy RD & Transt Ctr carry?

About 70,000 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is IH 610 Nwt Conn over Old Katy RD & Transt Ctr?

The structure is 1,409 ft (429.5 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns IH 610 Nwt Conn over Old Katy RD & Transt Ctr?

It is owned by the State Highway Agency.