US Bridges

County Road 30 over Pioneer Drainage Ditch

Fair

Logan County, Colorado · 50 Ft W of CO RD 39 · Structure no. LOG30-39.0-268

Built
1996
29 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
1,807
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 30 over Pioneer Drainage Ditch is a prestressed concrete tee beam carrying County Road 30 over Pioneer Drainage Ditch in Logan County, Colorado. It was built in 1996, so it is 29 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 1,807 vehicles a day, roughly 16% of them trucks, projected to reach 2,222 by 2042. The structure is 28 ft (8.4 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 30
CrossesPioneer Drainage Ditch
Location50 Ft W of CO RD 39
RouteCounty Highway 0
Coordinates40.63986, -103.22136
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span24 ft (7.4 m)
Deck width50 ft (15.3 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,807 (2023)
Projected traffic2,222 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 30 over Pioneer Drainage Ditch built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Road 30 over Pioneer Drainage 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 30 over Pioneer Drainage Ditch carry?

About 1,807 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is County Road 30 over Pioneer Drainage Ditch?

The structure is 28 ft (8.4 m) long with a longest span of 24 ft (7.4 m) and a deck 50 ft wide.

Who owns County Road 30 over Pioneer Drainage Ditch?

It is owned by the County Highway Agency.