US Bridges

IH610 SB / IH69 NB over IH 69; IH 610; Conns

Good

Harris County, Texas · IH610 / IH69 Interchange · Structure no. 121020027117739

Built
2020
5 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
3,348 ft
7 main spans
Daily traffic
28,951
2017 count
Owner
State
State Highway Agency

About this bridge

IH610 SB / IH69 NB over IH 69; IH 610; Conns is a steel continuous box beam or girders - multiple carrying IH610 SB / IH69 NB over IH 69; IH 610; Conns in Harris County, Texas. It was built in 2020, so it is 5 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 28,951 vehicles a day, roughly 4% of them trucks, projected to reach 35,970 by 2037. The structure is 3,348 ft (1,020.5 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIH610 SB / IH69 NB
CrossesIH 69; IH 610; Conns
LocationIH610 / IH69 Interchange
RouteInterstate 610
StateTexas
Coordinates29.73065, -95.46007
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+13 approach)
Design loadHL 93
Structure length3,348 ft (1,020.5 m)
Longest span296 ft (90.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,951 (2017)
Projected traffic35,970 by 2037
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 IH610 SB / IH69 NB over IH 69; IH 610; Conns built?

It was built in 2020, making it 5 years old in 2025.

What condition is IH610 SB / IH69 NB over IH 69; IH 610; Conns 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 December 2024.

How much traffic does IH610 SB / IH69 NB over IH 69; IH 610; Conns carry?

About 28,951 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is IH610 SB / IH69 NB over IH 69; IH 610; Conns?

The structure is 3,348 ft (1,020.5 m) long with a longest span of 296 ft (90.2 m) and a deck 38 ft wide.

Who owns IH610 SB / IH69 NB over IH 69; IH 610; Conns?

It is owned by the State Highway Agency.