US Bridges

IH 610 NB Ent Ramp over Conn D & I

Good

Harris County, Texas · 0.5 MI S of IH10 · Structure no. 121020027117568

Built
2006
19 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,796 ft
2 main spans
Daily traffic
28,385
2013 count
Owner
State
State Highway Agency

About this bridge

IH 610 NB Ent Ramp over Conn D & I is a steel continuous box beam or girders - multiple carrying IH 610 NB Ent Ramp over Conn D & I 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 28,385 vehicles a day, roughly 3% of them trucks, projected to reach 34,000 by 2033. The structure is 1,796 ft (547.4 m) long and 26 ft wide.

CarriesIH 610 NB Ent Ramp
CrossesConn D & I
Location0.5 MI S of IH10
RouteInterstate 610
StateTexas
Coordinates29.77434, -95.45562
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 inspectionAugust 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 spans2 (+13 approach)
Design loadHS 25 or greater
Structure length1,796 ft (547.4 m)
Longest span240 ft (73.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,385 (2013)
Projected traffic34,000 by 2033
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 NB Ent Ramp over Conn D & I built?

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

What condition is IH 610 NB Ent Ramp over Conn D & I 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 NB Ent Ramp over Conn D & I carry?

About 28,385 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is IH 610 NB Ent Ramp over Conn D & I?

The structure is 1,796 ft (547.4 m) long with a longest span of 240 ft (73.2 m) and a deck 26 ft wide.

Who owns IH 610 NB Ent Ramp over Conn D & I?

It is owned by the State Highway Agency.