US Bridges

IH 635 over Dixon Branch

Fair

Dallas County, Texas · 1.5 MI SE of Skillman ST · Structure no. 180570237401059

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
176,541
2020 count
Owner
State
State Highway Agency

About this bridge

IH 635 over Dixon Branch is a concrete culvert carrying IH 635 over Dixon 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 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 176,541 vehicles a day, roughly 13% of them trucks, projected to reach 213,110 by 2033. The structure is 26 ft (7.9 m) long.

Location

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CarriesIH 635
CrossesDixon Branch
Location1.5 MI SE of Skillman ST
RouteInterstate 635
CountyDallas County
StateTexas
Coordinates32.8845, -96.69807
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic176,541 (2020)
Projected traffic213,110 by 2033
Trucks13%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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 IH 635 over Dixon Branch built?

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

What condition is IH 635 over Dixon 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 August 2023.

How much traffic does IH 635 over Dixon Branch carry?

About 176,541 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is IH 635 over Dixon Branch?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns IH 635 over Dixon Branch?

It is owned by the State Highway Agency.