US Bridges

Srt SB over Coit Road

Fair

Collin County, Texas · 2.2 MI SW of FM 2478 · Structure no. 180430036404433

Built
2009
16 years old, rebuilt 2020
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
286 ft
1 main span
Daily traffic
55,316
2020 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Srt SB over Coit Road is a prestressed concrete stringer/multi-beam or girder carrying Srt SB over Coit Road in Collin County, Texas. It was built in 2009 and reconstructed in 2020, so it is 16 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 55,316 vehicles a day, roughly 5% of them trucks, projected to reach 77,442 by 2040. The structure is 286 ft (87.2 m) long and 82 ft wide.

CarriesSrt SB
CrossesCoit Road
Location2.2 MI SW of FM 2478
StateTexas
Coordinates33.11242, -96.76812
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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 spans1 (+2 approach)
Design loadHL 93
Structure length286 ft (87.2 m)
Longest span126 ft (38.4 m)
Deck width82 ft (25 m)
Roadway width80 ft (24.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,316 (2020)
Projected traffic77,442 by 2040
Trucks5%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 Srt SB over Coit Road built?

It was built in 2009, making it 16 years old in 2025. It was reconstructed in 2020.

What condition is Srt SB over Coit Road 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 December 2023.

How much traffic does Srt SB over Coit Road carry?

About 55,316 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Srt SB over Coit Road?

The structure is 286 ft (87.2 m) long with a longest span of 126 ft (38.4 m) and a deck 82 ft wide.

Who owns Srt SB over Coit Road?

It is owned by the Local Toll Authority.