US Bridges

SH 113 Ml over Lewis Creek

Fair

Logan County, Colorado · 10 MI North of JCT SH 138 · Structure no. A-24-AO

Built
1989
36 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
204 ft
2 main spans
Daily traffic
1,100
2020 count
Owner
State
State Highway Agency

About this bridge

SH 113 Ml over Lewis Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SH 113 Ml over Lewis Creek in Logan County, Colorado. It was built in 1989, so it is 36 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 1,100 vehicles a day, roughly 20% of them trucks, projected to reach 1,309 by 2040. The structure is 204 ft (62.3 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSH 113 Ml
CrossesLewis Creek
Location10 MI North of JCT SH 138
RouteState Highway 113A
Coordinates40.88209, -103.11544
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating73.1 US tons
Inventory rating43.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length204 ft (62.3 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2020)
Projected traffic1,309 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 113 Ml over Lewis Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is SH 113 Ml over Lewis Creek 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 July 2023.

How much traffic does SH 113 Ml over Lewis Creek carry?

About 1,100 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is SH 113 Ml over Lewis Creek?

The structure is 204 ft (62.3 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns SH 113 Ml over Lewis Creek?

It is owned by the State Highway Agency.