US Bridges

US 24 Ml over East Fork Arkansas River

Good

Lake County, Colorado · 1.1 MI W of SH91 · Structure no. G-11-C

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
2,700
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over East Fork Arkansas River is a concrete culvert carrying US 24 Ml over East Fork Arkansas River in Lake County, Colorado. It was built in 2008, so it is 17 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 2,700 vehicles a day, roughly 4% of them trucks, projected to reach 2,754 by 2040. The structure is 24 ft (7.3 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 24 Ml
CrossesEast Fork Arkansas River
Location1.1 MI W of SH91
RouteU.S. Route 24A
Coordinates39.27246, -106.30663
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating57.5 US tons
Inventory rating45.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width64 ft (19.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2020)
Projected traffic2,754 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US 24 Ml over East Fork Arkansas River built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 24 Ml over East Fork Arkansas 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 October 2024.

How much traffic does US 24 Ml over East Fork Arkansas River carry?

About 2,700 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 24 Ml over East Fork Arkansas River?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 64 ft wide.

Who owns US 24 Ml over East Fork Arkansas River?

It is owned by the State Highway Agency.