US Bridges

SH 144 Ml over South Platte River

Good

Morgan County, Colorado · 8 MI NW of Ft. Morgan · Structure no. C-21-BL

Built
1996
29 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
614 ft
7 main spans
Daily traffic
610
2020 count
Owner
State
State Highway Agency

About this bridge

SH 144 Ml over South Platte River is a prestressed concrete continuous stringer/multi-beam or girder carrying SH 144 Ml over South Platte River in Morgan County, Colorado. It was built in 1996, so it is 29 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 610 vehicles a day, roughly 6% of them trucks, projected to reach 708 by 2040. The structure is 614 ft (187.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 144 Ml
CrossesSouth Platte River
Location8 MI NW of Ft. Morgan
RouteState Highway 144A
Coordinates40.32094, -103.92265
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length614 ft (187.2 m)
Longest span87 ft (26.5 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2020)
Projected traffic708 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 144 Ml over South Platte River built?

It was built in 1996, making it 29 years old in 2025.

What condition is SH 144 Ml over South Platte 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 January 2024.

How much traffic does SH 144 Ml over South Platte River carry?

About 610 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 144 Ml over South Platte River?

The structure is 614 ft (187.2 m) long with a longest span of 87 ft (26.5 m) and a deck 36 ft wide.

Who owns SH 144 Ml over South Platte River?

It is owned by the State Highway Agency.