US Bridges

IH 45 over FM 528 Nasa Pkwy

Fair

Harris County, Texas · 2.00 MI NW of FM 518 · Structure no. 121020050003427

Built
2010
15 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
336 ft
3 main spans
Daily traffic
184,461
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 over FM 528 Nasa Pkwy is a prestressed concrete stringer/multi-beam or girder carrying IH 45 over FM 528 Nasa Pkwy in Harris County, Texas. It was built in 2010, so it is 15 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 184,461 vehicles a day, roughly 4% of them trucks, projected to reach 258,245 by 2042. The structure is 336 ft (102.4 m) long and 228 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 45
CrossesFM 528 Nasa Pkwy
Location2.00 MI NW of FM 518
RouteInterstate 45
StateTexas
Coordinates29.52863, -95.1307
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length336 ft (102.4 m)
Longest span114 ft (34.7 m)
Deck width228 ft (69.6 m)
Roadway width226 ft (68.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic184,461 (2023)
Projected traffic258,245 by 2042
Trucks4%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 IH 45 over FM 528 Nasa Pkwy built?

It was built in 2010, making it 15 years old in 2025.

What condition is IH 45 over FM 528 Nasa Pkwy in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does IH 45 over FM 528 Nasa Pkwy carry?

About 184,461 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is IH 45 over FM 528 Nasa Pkwy?

The structure is 336 ft (102.4 m) long with a longest span of 114 ft (34.7 m) and a deck 228 ft wide.

Who owns IH 45 over FM 528 Nasa Pkwy?

It is owned by the State Highway Agency.