US Bridges

IH 45 Hov NB Rp over IH 45 NB

Good

Harris County, Texas · 0.35 MI NW of FM 1959 · Structure no. 121020050003317

Built
1998
27 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
558 ft
2 main spans
Daily traffic
349
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 Hov NB Rp over IH 45 NB is a steel continuous box beam or girders - single or spread carrying IH 45 Hov NB Rp over IH 45 NB in Harris County, Texas. It was built in 1998, so it is 27 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 349 vehicles a day, roughly 5% of them trucks, projected to reach 4,770 by 2030. The structure is 558 ft (170.1 m) long and 23 ft wide.

CarriesIH 45 Hov NB Rp
CrossesIH 45 NB
Location0.35 MI NW of FM 1959
RouteState Highway 45
StateTexas
Coordinates29.59541, -95.19382
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length558 ft (170.1 m)
Longest span220 ft (67.1 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2023)
Projected traffic4,770 by 2030
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo
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 IH 45 Hov NB Rp over IH 45 NB built?

It was built in 1998, making it 27 years old in 2025.

What condition is IH 45 Hov NB Rp over IH 45 NB 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 IH 45 Hov NB Rp over IH 45 NB carry?

About 349 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IH 45 Hov NB Rp over IH 45 NB?

The structure is 558 ft (170.1 m) long with a longest span of 220 ft (67.1 m) and a deck 23 ft wide.

Who owns IH 45 Hov NB Rp over IH 45 NB?

It is owned by the State Highway Agency.