US Bridges

Coit RD NB over IH 635

Fair

Dallas County, Texas · 0.3 MI W of US 75 · Structure no. 180570237401457

Built
2003
22 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
336 ft
2 main spans
Daily traffic
20,168
2014 count
Owner
State
State Highway Agency

About this bridge

Coit RD NB over IH 635 is a prestressed concrete stringer/multi-beam or girder carrying Coit RD NB over IH 635 in Dallas County, Texas. It was built in 2003, so it is 22 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 20,168 vehicles a day, roughly 3% of them trucks, projected to reach 28,235 by 2040. The structure is 336 ft (102.5 m) long and 109 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCoit RD NB
CrossesIH 635
Location0.3 MI W of US 75
RouteCity Street 0
StateTexas
Coordinates32.92373, -96.76886
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length336 ft (102.5 m)
Longest span120 ft (36.7 m)
Deck width109 ft (33.1 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic20,168 (2014)
Projected traffic28,235 by 2040
Trucks3%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Coit RD NB over IH 635 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Coit RD NB over IH 635 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 September 2023.

How much traffic does Coit RD NB over IH 635 carry?

About 20,168 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Coit RD NB over IH 635?

The structure is 336 ft (102.5 m) long with a longest span of 120 ft (36.7 m) and a deck 109 ft wide.

Who owns Coit RD NB over IH 635?

It is owned by the State Highway Agency.