US Bridges

County Lane 10 over Dayton Lateral

Fair

Crowley County, Colorado · 1.5 MI N. of SH 96 · Structure no. CRCO 2.50-7A

Built
1991
34 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

County Lane 10 over Dayton Lateral is a steel stringer/multi-beam or girder carrying County Lane 10 over Dayton Lateral in Crowley County, Colorado. It was built in 1991, so it is 34 years old, younger than the Colorado average of 42.2 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 50 vehicles a day, projected to reach 61 by 2041. The structure is 55 ft (16.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Lane 10
CrossesDayton Lateral
Location1.5 MI N. of SH 96
RouteCounty Highway 0
CountyCrowley County
StateColorado
Coordinates38.22068, -103.8947
Functional classRural Local

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.3 US tons
Inventory rating36.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span53 ft (16.2 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic61 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Lane 10 over Dayton Lateral built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Lane 10 over Dayton Lateral 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 January 2025.

How much traffic does County Lane 10 over Dayton Lateral carry?

About 50 vehicles per day (2021 count).

How long is County Lane 10 over Dayton Lateral?

The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 29 ft wide.

Who owns County Lane 10 over Dayton Lateral?

It is owned by the County Highway Agency.