US Bridges

SH 115 Ml over Sand Creek

Fair

Fremont County, Colorado · 2.5 MI N of JCT US 50 · Structure no. K-16-A

Built
1923
102 years old, rebuilt 1968
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
4,100
2020 count
Owner
State
State Highway Agency

About this bridge

SH 115 Ml over Sand Creek is a concrete tee beam carrying SH 115 Ml over Sand Creek in Fremont County, Colorado. It was built in 1923 and reconstructed in 1968, so it is 102 years old, older 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 5 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 4,100 vehicles a day, roughly 3% of them trucks, projected to reach 4,305 by 2040. The structure is 36 ft (10.9 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 115 Ml
CrossesSand Creek
Location2.5 MI N of JCT US 50
RouteState Highway 115A
Coordinates38.42359, -105.20926
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.8 US tons
Inventory rating53.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span35 ft (10.6 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2020)
Projected traffic4,305 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 115 Ml over Sand Creek built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1968.

What condition is SH 115 Ml over Sand Creek 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 August 2024.

How much traffic does SH 115 Ml over Sand Creek carry?

About 4,100 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 115 Ml over Sand Creek?

The structure is 36 ft (10.9 m) long with a longest span of 35 ft (10.6 m) and a deck 47 ft wide.

Who owns SH 115 Ml over Sand Creek?

It is owned by the State Highway Agency.