US Bridges

Platte Street over Sterling Ditch No. 1

Good

Logan County, Colorado · .2 MI E. of CO RD 37 · Structure no. STERLING-002

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
1,027
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Platte Street over Sterling Ditch No. 1 is a prestressed concrete tee beam carrying Platte Street over Sterling Ditch No. 1 in Logan County, Colorado. It was built in 2003, so it is 22 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 1,027 vehicles a day, roughly 10% of them trucks, projected to reach 1,263 by 2042. The structure is 26 ft (7.8 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlatte Street
CrossesSterling Ditch No. 1
Location.2 MI E. of CO RD 37
RouteCity Street 0
Coordinates40.62825, -103.23541
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.
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 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 rating99.6 US tons
Inventory rating59.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span22 ft (6.8 m)
Deck width64 ft (19.4 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,027 (2023)
Projected traffic1,263 by 2042
Trucks10%
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 Sterling Ditch No. 1 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Platte Street over Sterling Ditch No. 1 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 Sterling Ditch No. 1 carry?

About 1,027 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Platte Street over Sterling Ditch No. 1?

The structure is 26 ft (7.8 m) long with a longest span of 22 ft (6.8 m) and a deck 64 ft wide.

Who owns Platte Street over Sterling Ditch No. 1?

It is owned by the City or Municipal Highway Agency.