US Bridges

IH45SB to IH610 WB over IH610 CONN;IH45SBFR

Good

Harris County, Texas · IH 45 at IH 610 · Structure no. 121020050003449

Built
2020
5 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,056 ft
2 main spans
Daily traffic
12,000
2020 count
Owner
State
State Highway Agency

About this bridge

IH45SB to IH610 WB over IH610 CONN;IH45SBFR is a steel continuous stringer/multi-beam or girder carrying IH45SB to IH610 WB over IH610 CONN;IH45SBFR 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 12,000 vehicles a day, roughly 10% of them trucks, projected to reach 13,696 by 2036. The structure is 3,056 ft (931.4 m) long and 31 ft wide.

CarriesIH45SB to IH610 WB
CrossesIH610 CONN;IH45SBFR
LocationIH 45 at IH 610
RouteInterstate 45
StateTexas
Coordinates29.69624, -95.29361
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionDecember 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+30 approach)
Design loadHL 93
Structure length3,056 ft (931.4 m)
Longest span228 ft (69.6 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2020)
Projected traffic13,696 by 2036
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 IH45SB to IH610 WB over IH610 CONN;IH45SBFR built?

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

What condition is IH45SB to IH610 WB over IH610 CONN;IH45SBFR 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 IH45SB to IH610 WB over IH610 CONN;IH45SBFR carry?

About 12,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is IH45SB to IH610 WB over IH610 CONN;IH45SBFR?

The structure is 3,056 ft (931.4 m) long with a longest span of 228 ft (69.6 m) and a deck 31 ft wide.

Who owns IH45SB to IH610 WB over IH610 CONN;IH45SBFR?

It is owned by the State Highway Agency.