US Bridges

IH 45 NB over UP RR & Tellepsen RD

Fair

Harris County, Texas · 0.95 MI NW of US 90A · Structure no. 121020050003006

Built
1948
77 years old, rebuilt 1985
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,208 ft
3 main spans
Daily traffic
92,190
2013 count
Owner
State
State Highway Agency

About this bridge

IH 45 NB over UP RR & Tellepsen RD is a steel continuous stringer/multi-beam or girder carrying IH 45 NB over UP RR & Tellepsen RD in Harris County, Texas. It was built in 1948 and reconstructed in 1985, so it is 77 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 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 92,190 vehicles a day, roughly 7% of them trucks, projected to reach 129,070 by 2033. The structure is 1,208 ft (368.2 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 45 NB
CrossesUP RR & Tellepsen RD
Location0.95 MI NW of US 90A
RouteInterstate 45
CountyHarris County
StateTexas
Coordinates29.72257, -95.32806
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+20 approach)
Design loadHS 20
Structure length1,208 ft (368.2 m)
Longest span83 ft (25.3 m)
Deck width77 ft (23.6 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,190 (2013)
Projected traffic129,070 by 2033
Trucks7%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 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 UP RR & Tellepsen RD built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1985.

What condition is IH 45 NB over UP RR & Tellepsen RD 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 NB over UP RR & Tellepsen RD carry?

About 92,190 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is IH 45 NB over UP RR & Tellepsen RD?

The structure is 1,208 ft (368.2 m) long with a longest span of 83 ft (25.3 m) and a deck 77 ft wide.

Who owns IH 45 NB over UP RR & Tellepsen RD?

It is owned by the State Highway Agency.