US Bridges

Davidson DR over Mills Branch

Good

Dallas County, Texas · 0.01 MI N of SH 66 · Structure no. 180570B03624001

Built
1972
53 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
75 ft
3 main spans
Daily traffic
440
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Davidson DR over Mills Branch is a concrete slab carrying Davidson DR over Mills Branch in Dallas County, Texas. It was built in 1972, so it is 53 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 440 vehicles a day, roughly 2% of them trucks, projected to reach 1,150 by 2031. The structure is 75 ft (22.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDavidson DR
CrossesMills Branch
Location0.01 MI N of SH 66
RouteCity Street 0
StateTexas
Coordinates32.90848, -96.61827
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2019)
Projected traffic1,150 by 2031
Trucks2%
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 Davidson DR over Mills Branch built?

It was built in 1972, making it 53 years old in 2025.

What condition is Davidson DR over Mills 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 February 2023.

How much traffic does Davidson DR over Mills Branch carry?

About 440 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Davidson DR over Mills Branch?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns Davidson DR over Mills Branch?

It is owned by the City or Municipal Highway Agency.