US Bridges

IH45NB to IH 69NB over City Streets

Fair

Harris County, Texas · IH 45 at IH 69 · Structure no. 121020050003539

Built
1972
53 years old, rebuilt 2020
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,751 ft
8 main spans
Daily traffic
54,300
2016 count
Owner
State
State Highway Agency

About this bridge

IH45NB to IH 69NB over City Streets is a prestressed concrete stringer/multi-beam or girder carrying IH45NB to IH 69NB over City Streets in Harris County, Texas. It was built in 1972 and reconstructed in 2020, so it is 53 years old, older 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 5 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 54,300 vehicles a day, roughly 10% of them trucks, projected to reach 75,600 by 2036. The structure is 1,751 ft (533.7 m) long and 25 ft wide.

Location

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CarriesIH45NB to IH 69NB
CrossesCity Streets
LocationIH 45 at IH 69
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.7429, -95.35807
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to present minimum 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, cast-in-place
Main spans8 (+9 approach)
Design loadHS 20
Structure length1,751 ft (533.7 m)
Longest span127 ft (38.7 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,300 (2016)
Projected traffic75,600 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 IH45NB to IH 69NB over City Streets built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2020.

What condition is IH45NB to IH 69NB over City Streets 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 December 2024.

How much traffic does IH45NB to IH 69NB over City Streets carry?

About 54,300 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is IH45NB to IH 69NB over City Streets?

The structure is 1,751 ft (533.7 m) long with a longest span of 127 ft (38.7 m) and a deck 25 ft wide.

Who owns IH45NB to IH 69NB over City Streets?

It is owned by the State Highway Agency.