US Bridges

IH 35E over Knights Branch

Fair

Dallas County, Texas · 0.1 MI W of Inwood RD · Structure no. 180570019603096

Built
1959
66 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
56 ft
5 main spans
Daily traffic
194,462
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35E over Knights Branch is a concrete culvert carrying IH 35E over Knights Branch in Dallas County, Texas. It was built in 1959, so it is 66 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 194,462 vehicles a day, roughly 9% of them trucks, projected to reach 388,924 by 2040. The structure is 56 ft (17.1 m) long.

Location

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CarriesIH 35E
CrossesKnights Branch
Location0.1 MI W of Inwood RD
RouteInterstate 35
CountyDallas County
StateTexas
Coordinates32.81166, -96.85045
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadOther
Structure length56 ft (17.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic194,462 (2020)
Projected traffic388,924 by 2040
Trucks9%
Lanes on structure16
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 35E over Knights Branch built?

It was built in 1959, making it 66 years old in 2025.

What condition is IH 35E over Knights 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 2023.

How much traffic does IH 35E over Knights Branch carry?

About 194,462 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is IH 35E over Knights Branch?

The structure is 56 ft (17.1 m) long with a longest span of 10 ft (3 m).

Who owns IH 35E over Knights Branch?

It is owned by the State Highway Agency.