US Bridges

County Road 48.5 over Lewis Creek

Good

Logan County, Colorado · 30 Ft. E of CO RD 59 · Structure no. LOG48.5-59-159A

Built
2000
25 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
4
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 48.5 over Lewis Creek is a prestressed concrete tee beam carrying County Road 48.5 over Lewis Creek in Logan County, Colorado. It was built in 2000, so it is 25 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4 vehicles a day, roughly 6% of them trucks, projected to reach 5 by 2042. The structure is 38 ft (11.6 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCounty Road 48.5
CrossesLewis Creek
Location30 Ft. E of CO RD 59
RouteCounty Highway 0
CountyLogan County
StateColorado
Coordinates40.78269, -103.01765
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.3 US tons
Inventory rating45.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span33 ft (10 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2022)
Projected traffic5 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 48.5 over Lewis Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Road 48.5 over Lewis Creek 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 December 2023.

How much traffic does County Road 48.5 over Lewis Creek carry?

About 4 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is County Road 48.5 over Lewis Creek?

The structure is 38 ft (11.6 m) long with a longest span of 33 ft (10 m) and a deck 34 ft wide.

Who owns County Road 48.5 over Lewis Creek?

It is owned by the County Highway Agency.