US Bridges

IH 45 NB over Crosstimbers ST

Poor

Harris County, Texas · 1.25 MI N of IH 610 · Structure no. 121020050003088

Built
1960
65 years old, rebuilt 1980
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
305 ft
4 main spans
Daily traffic
96,046
2022 count
Owner
State
State Highway Agency

About this bridge

IH 45 NB over Crosstimbers ST is a concrete continuous tee beam carrying IH 45 NB over Crosstimbers ST in Harris County, Texas. It was built in 1960 and reconstructed in 1980, so it is 65 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 96,046 vehicles a day, roughly 8% of them trucks, projected to reach 133,446 by 2042. The structure is 305 ft (93 m) long and 81 ft wide.

Location

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CarriesIH 45 NB
CrossesCrosstimbers ST
Location1.25 MI N of IH 610
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.82865, -95.38097
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length305 ft (93 m)
Longest span60 ft (18.3 m)
Deck width81 ft (24.8 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,046 (2022)
Projected traffic133,446 by 2042
Trucks8%
Lanes on structure5
Traffic directionOne-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 NB over Crosstimbers ST built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1980.

What condition is IH 45 NB over Crosstimbers ST in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does IH 45 NB over Crosstimbers ST carry?

About 96,046 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is IH 45 NB over Crosstimbers ST?

The structure is 305 ft (93 m) long with a longest span of 60 ft (18.3 m) and a deck 81 ft wide.

Who owns IH 45 NB over Crosstimbers ST?

It is owned by the State Highway Agency.