US Bridges

IH 45 over Dowdy Ferry RD

Good

Dallas County, Texas · 1.50 MI S of IH 20 · Structure no. 180570009202343

Built
1999
26 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
86,908
2023 count
Owner
State
State Highway Agency

About this bridge

IH 45 over Dowdy Ferry RD is a prestressed concrete stringer/multi-beam or girder carrying IH 45 over Dowdy Ferry RD in Dallas County, Texas. It was built in 1999, so it is 26 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 86,908 vehicles a day, roughly 20% of them trucks, projected to reach 76,030 by 2035. The structure is 240 ft (73.2 m) long and 122 ft wide.

CarriesIH 45
CrossesDowdy Ferry RD
Location1.50 MI S of IH 20
RouteInterstate 45
StateTexas
Coordinates32.64907, -96.70761
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width122 ft (37.2 m)
Roadway width117 ft (35.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,908 (2023)
Projected traffic76,030 by 2035
Trucks20%
Lanes on structure6
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 over Dowdy Ferry RD built?

It was built in 1999, making it 26 years old in 2025.

What condition is IH 45 over Dowdy Ferry RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does IH 45 over Dowdy Ferry RD carry?

About 86,908 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is IH 45 over Dowdy Ferry RD?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 122 ft wide.

Who owns IH 45 over Dowdy Ferry RD?

It is owned by the State Highway Agency.