US Bridges

Platte Street over Pioneer Drainage Ditch

Good

Logan County, Colorado · At 12th Avenue · Structure no. STERLING-001

Built
1995
30 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
1,364
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Platte Street over Pioneer Drainage Ditch is a prestressed concrete slab carrying Platte Street over Pioneer Drainage Ditch in Logan County, Colorado. It was built in 1995, so it is 30 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,364 vehicles a day, roughly 12% of them trucks, projected to reach 1,677 by 2042. The structure is 35 ft (10.7 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlatte Street
CrossesPioneer Drainage Ditch
LocationAt 12th Avenue
RouteCity Street 0
Coordinates40.62775, -103.23036
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating42.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.7 m)
Deck width66 ft (20.1 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,364 (2023)
Projected traffic1,677 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Platte Street over Pioneer Drainage Ditch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Platte Street over Pioneer Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Platte Street over Pioneer Drainage Ditch carry?

About 1,364 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Platte Street over Pioneer Drainage Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.7 m) and a deck 66 ft wide.

Who owns Platte Street over Pioneer Drainage Ditch?

It is owned by the City or Municipal Highway Agency.