US Bridges

SH 144 Ml over South Platte River

Fair

Morgan County, Colorado · 4.7 MI E of JCT US 34 · Structure no. C-20-Q

Built
2001
24 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
496 ft
4 main spans
Daily traffic
410
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 2001, so it is 24 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 410 vehicles a day, roughly 8% of them trucks, projected to reach 566 by 2040. The structure is 496 ft (151.3 m) long and 37 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSH 144 Ml
CrossesSouth Platte River
Location4.7 MI E of JCT US 34
RouteState Highway 144A
Coordinates40.32251, -104.11671
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating38.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHL 93
Structure length496 ft (151.3 m)
Longest span124 ft (37.8 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2020)
Projected traffic566 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 2001, making it 24 years old in 2025.

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

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

About 410 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 144 Ml over South Platte River?

The structure is 496 ft (151.3 m) long with a longest span of 124 ft (37.8 m) and a deck 37 ft wide.

Who owns SH 144 Ml over South Platte River?

It is owned by the State Highway Agency.