US Bridges

CR 366 over Slayter Creek

Fair

Collin County, Texas · 0.30 MI NE Collin Out Lp · Structure no. 180430AA0282001

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
6,539
2019 count
Owner
County
County Highway Agency

About this bridge

CR 366 over Slayter Creek is a steel stringer/multi-beam or girder carrying CR 366 over Slayter Creek in Collin County, Texas. It was built in 1983, so it is 42 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 6,539 vehicles a day, roughly 7% of them trucks, projected to reach 117 by 2031. The structure is 59 ft (18 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 366
CrossesSlayter Creek
Location0.30 MI NE Collin Out Lp
RouteCounty Highway 366
CountyCollin County
StateTexas
Coordinates33.32108, -96.58005
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span59 ft (18 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,539 (2019)
Projected traffic117 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$28,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 366 over Slayter Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is CR 366 over Slayter Creek 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 April 2023.

How much traffic does CR 366 over Slayter Creek carry?

About 6,539 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is CR 366 over Slayter Creek?

The structure is 59 ft (18 m) long with a longest span of 59 ft (18 m) and a deck 22 ft wide.

Who owns CR 366 over Slayter Creek?

It is owned by the County Highway Agency.