US Bridges

State ST over Keen Branch

Good

Dallas County, Texas · 0.35 MI W of N Garland Av · Structure no. 180570B10579001

Built
1967
58 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
3,583
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

State ST over Keen Branch is a prestressed concrete stringer/multi-beam or girder carrying State ST over Keen Branch in Dallas County, Texas. It was built in 1967, so it is 58 years old, older 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 3,583 vehicles a day, projected to reach 2,260 by 2031. The structure is 71 ft (21.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesState ST
CrossesKeen Branch
Location0.35 MI W of N Garland Av
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.91284, -96.65353
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span71 ft (21.6 m)
Deck width46 ft (14.1 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,583 (2019)
Projected traffic2,260 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State ST over Keen Branch built?

It was built in 1967, making it 58 years old in 2025.

What condition is State ST over Keen Branch 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 November 2024.

How much traffic does State ST over Keen Branch carry?

About 3,583 vehicles per day (2019 count).

How long is State ST over Keen Branch?

The structure is 71 ft (21.6 m) long with a longest span of 71 ft (21.6 m) and a deck 46 ft wide.

Who owns State ST over Keen Branch?

It is owned by the City or Municipal Highway Agency.