US Bridges

County Road 35 over Pawnee Ditch

Fair

Logan County, Colorado · 20 Ft. N. of Sage Drive · Structure no. LOG35-26.1-257

Built
1992
33 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
463
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 35 over Pawnee Ditch is a concrete culvert carrying County Road 35 over Pawnee Ditch in Logan County, Colorado. It was built in 1992, so it is 33 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 463 vehicles a day, roughly 41% of them trucks, projected to reach 569 by 2042. The structure is 20 ft (6.1 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 35
CrossesPawnee Ditch
Location20 Ft. N. of Sage Drive
RouteCounty Highway 0
CountyLogan County
StateColorado
Coordinates40.61089, -103.25872
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.5 US tons
Inventory rating59.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic463 (2023)
Projected traffic569 by 2042
Trucks41%
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 Road 35 over Pawnee Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road 35 over Pawnee Ditch 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 2024.

How much traffic does County Road 35 over Pawnee Ditch carry?

About 463 vehicles per day (2023 count), of which roughly 41% are trucks.

How long is County Road 35 over Pawnee Ditch?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns County Road 35 over Pawnee Ditch?

It is owned by the County Highway Agency.