US Bridges

SH 71 Ml over Sandy Creek

Good

Lincoln County, Colorado · 1.5 MI S of Limon · Structure no. H-22-S

Built
1984
41 years old
Condition
Good
inspected February 2025
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
1,600
2020 count
Owner
State
State Highway Agency

About this bridge

SH 71 Ml over Sandy Creek is a steel culvert carrying SH 71 Ml over Sandy Creek in Lincoln County, Colorado. It was built in 1984, so it is 41 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 1,600 vehicles a day, roughly 16% of them trucks, projected to reach 2,272 by 2040. The structure is 34 ft (10.5 m) long and 92 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 71 Ml
CrossesSandy Creek
Location1.5 MI S of Limon
RouteState Highway 71C
Coordinates39.22959, -103.6957
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 inspectionFebruary 2025
Inspection intervalevery 24 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 rating99 US tons
Inventory rating68.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span9 ft (2.6 m)
Deck width92 ft (28 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2020)
Projected traffic2,272 by 2040
Trucks16%
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 71 Ml over Sandy Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SH 71 Ml over Sandy Creek 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 February 2025.

How much traffic does SH 71 Ml over Sandy Creek carry?

About 1,600 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 71 Ml over Sandy Creek?

The structure is 34 ft (10.5 m) long with a longest span of 9 ft (2.6 m) and a deck 92 ft wide.

Who owns SH 71 Ml over Sandy Creek?

It is owned by the State Highway Agency.