US Bridges

IH 45 over Airport Blvd

Good

Harris County, Texas · 5 MI SE of IH 610 · Structure no. 121020050003318

Built
1990
35 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
265 ft
1 main span
Daily traffic
132,815
2020 count
Owner
State
State Highway Agency

About this bridge

IH 45 over Airport Blvd is a prestressed concrete stringer/multi-beam or girder carrying IH 45 over Airport Blvd in Harris County, Texas. It was built in 1990, so it is 35 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 132,815 vehicles a day, roughly 7% of them trucks, projected to reach 218,490 by 2033. The structure is 265 ft (80.8 m) long and 192 ft wide.

Location

Open in Google Maps
CarriesIH 45
CrossesAirport Blvd
Location5 MI SE of IH 610
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.65251, -95.25142
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 2022
Inspection intervalevery 48 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span114 ft (34.7 m)
Deck width192 ft (58.5 m)
Roadway width164 ft (50 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132,815 (2020)
Projected traffic218,490 by 2033
Trucks7%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
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 IH 45 over Airport Blvd built?

It was built in 1990, making it 35 years old in 2025.

What condition is IH 45 over Airport Blvd 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 2022.

How much traffic does IH 45 over Airport Blvd carry?

About 132,815 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is IH 45 over Airport Blvd?

The structure is 265 ft (80.8 m) long with a longest span of 114 ft (34.7 m) and a deck 192 ft wide.

Who owns IH 45 over Airport Blvd?

It is owned by the State Highway Agency.