US Bridges

Belt Line RD over Mill Branch

Fair

Dallas County, Texas · 1.10 MI E of IH 35 · Structure no. 180570M00100053

Built
1986
39 years old, rebuilt 2003
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
131 ft
3 main spans
Daily traffic
21,577
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Belt Line RD over Mill Branch is a concrete stringer/multi-beam or girder carrying Belt Line RD over Mill Branch in Dallas County, Texas. It was built in 1986 and reconstructed in 2003, so it is 39 years old, younger 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 21,577 vehicles a day, projected to reach 30,208 by 2042. The structure is 131 ft (39.9 m) long and 107 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBelt Line RD
CrossesMill Branch
Location1.10 MI E of IH 35
RouteCity Street 50
StateTexas
Coordinates32.59268, -96.80326
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span44 ft (13.4 m)
Deck width107 ft (32.6 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,577 (2022)
Projected traffic30,208 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Belt Line RD over Mill Branch built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2003.

What condition is Belt Line RD over Mill Branch 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 November 2024.

How much traffic does Belt Line RD over Mill Branch carry?

About 21,577 vehicles per day (2022 count).

How long is Belt Line RD over Mill Branch?

The structure is 131 ft (39.9 m) long with a longest span of 44 ft (13.4 m) and a deck 107 ft wide.

Who owns Belt Line RD over Mill Branch?

It is owned by the City or Municipal Highway Agency.