US Bridges

IH 45 NB FR over Cottonwood Creek

Fair

Dallas County, Texas · 5.60 MI S of IH 20 · Structure no. 180570009202078

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
100 ft
4 main spans
Daily traffic
1,100
2015 count
Owner
State
State Highway Agency

About this bridge

IH 45 NB FR over Cottonwood Creek is a concrete slab carrying IH 45 NB FR over Cottonwood Creek in Dallas County, Texas. It was built in 1955, so it is 70 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 1,100 vehicles a day, roughly 25% of them trucks, projected to reach 1,550 by 2035. The structure is 100 ft (30.5 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 45 NB FR
CrossesCottonwood Creek
Location5.60 MI S of IH 20
RouteState Highway 45
CountyDallas County
StateTexas
Coordinates32.59682, -96.68169
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length100 ft (30.5 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2015)
Projected traffic1,550 by 2035
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 45 NB FR over Cottonwood Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is IH 45 NB FR over Cottonwood Creek 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 February 2024.

How much traffic does IH 45 NB FR over Cottonwood Creek carry?

About 1,100 vehicles per day (2015 count), of which roughly 25% are trucks.

How long is IH 45 NB FR over Cottonwood Creek?

The structure is 100 ft (30.5 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns IH 45 NB FR over Cottonwood Creek?

It is owned by the State Highway Agency.