US Bridges

SH 125 Ml over Illinois River

Good

Jackson County, Colorado · 0.7 MI North of JCT SH 14 · Structure no. B-11-F

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
2,200
2020 count
Owner
State
State Highway Agency

About this bridge

SH 125 Ml over Illinois River is a concrete culvert carrying SH 125 Ml over Illinois River in Jackson County, Colorado. It was built in 1993, so it is 32 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 2,200 vehicles a day, roughly 10% of them trucks, projected to reach 2,530 by 2040. The structure is 42 ft (12.9 m) long and 71 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSH 125 Ml
CrossesIllinois River
Location0.7 MI North of JCT SH 14
RouteState Highway 125A
Coordinates40.72627, -106.29037
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span21 ft (6.3 m)
Deck width71 ft (21.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2020)
Projected traffic2,530 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 125 Ml over Illinois River built?

It was built in 1993, making it 32 years old in 2025.

What condition is SH 125 Ml over Illinois River 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 September 2024.

How much traffic does SH 125 Ml over Illinois River carry?

About 2,200 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SH 125 Ml over Illinois River?

The structure is 42 ft (12.9 m) long with a longest span of 21 ft (6.3 m) and a deck 71 ft wide.

Who owns SH 125 Ml over Illinois River?

It is owned by the State Highway Agency.