US Bridges

Henderson/Knox EB over US 75

Good

Dallas County, Texas · 3.30 MI N of IH 30 · Structure no. 180570004707390

Built
1999
26 years old
Condition
Good
inspected April 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
153 ft
2 main spans
Daily traffic
13,631
2019 count
Owner
State
State Highway Agency

About this bridge

Henderson/Knox EB over US 75 is a prestressed concrete box beam or girders - multiple carrying Henderson/Knox EB over US 75 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 13,631 vehicles a day, projected to reach 5,418 by 2038. The structure is 153 ft (46.6 m) long and 101 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHenderson/Knox EB
CrossesUS 75
Location3.30 MI N of IH 30
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.82195, -96.78608
Functional classUrban Local

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 inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span76 ft (23.2 m)
Deck width101 ft (30.8 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,631 (2019)
Projected traffic5,418 by 2038
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Henderson/Knox EB over US 75 built?

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

What condition is Henderson/Knox EB over US 75 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 April 2022.

How much traffic does Henderson/Knox EB over US 75 carry?

About 13,631 vehicles per day (2019 count).

How long is Henderson/Knox EB over US 75?

The structure is 153 ft (46.6 m) long with a longest span of 76 ft (23.2 m) and a deck 101 ft wide.

Who owns Henderson/Knox EB over US 75?

It is owned by the State Highway Agency.