US Bridges

IH 45 Sbfr over W Dallas ST

Fair

Harris County, Texas · 0.10 MI S of Allen Pkwy · Structure no. 121020050003108

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
505 ft
9 main spans
Daily traffic
21,580
2013 count
Owner
State
State Highway Agency

About this bridge

IH 45 Sbfr over W Dallas ST is a steel continuous stringer/multi-beam or girder carrying IH 45 Sbfr over W Dallas ST in Harris County, Texas. It was built in 1962, so it is 63 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 21,580 vehicles a day, roughly 7% of them trucks, projected to reach 30,220 by 2033. The structure is 505 ft (153.9 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesIH 45 Sbfr
CrossesW Dallas ST
Location0.10 MI S of Allen Pkwy
RouteState Highway 45
CountyHarris County
StateTexas
Coordinates29.75736, -95.375
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length505 ft (153.9 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,580 (2013)
Projected traffic30,220 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$35,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 Sbfr over W Dallas ST built?

It was built in 1962, making it 63 years old in 2025.

What condition is IH 45 Sbfr over W Dallas ST 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 August 2024.

How much traffic does IH 45 Sbfr over W Dallas ST carry?

About 21,580 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is IH 45 Sbfr over W Dallas ST?

The structure is 505 ft (153.9 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns IH 45 Sbfr over W Dallas ST?

It is owned by the State Highway Agency.