US Bridges

Valmont Road over Elmers Twomile Creek

Good

Boulder County, Colorado · 400 Ft W of 28th · Structure no. BOLD-48-VALMONT

Built
2010
15 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
10,720
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Valmont Road over Elmers Twomile Creek is a concrete culvert carrying Valmont Road over Elmers Twomile Creek in Boulder County, Colorado. It was built in 2010, so it is 15 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 10,720 vehicles a day, roughly 4% of them trucks, projected to reach 12,864 by 2043. The structure is 22 ft (6.7 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesValmont Road
CrossesElmers Twomile Creek
Location400 Ft W of 28th
RouteCity Street 0
Coordinates40.02904, -105.25985
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 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 10
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width96 ft (29.2 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,720 (2023)
Projected traffic12,864 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Valmont Road over Elmers Twomile Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Valmont Road over Elmers Twomile 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 Valmont Road over Elmers Twomile Creek carry?

About 10,720 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Valmont Road over Elmers Twomile Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 96 ft wide.

Who owns Valmont Road over Elmers Twomile Creek?

It is owned by the City or Municipal Highway Agency.