US Bridges

Memorial Drive over Willow Creek

Fair

Prowers County, Colorado · In Lamar · Structure no. LMR-1A

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
173 ft
2 main spans
Daily traffic
3,310
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Memorial Drive over Willow Creek is a prestressed concrete box beam or girders - single or spread carrying Memorial Drive over Willow Creek in Prowers County, Colorado. It was built in 1995, so it is 30 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 3,310 vehicles a day, roughly 5% of them trucks, projected to reach 3,939 by 2042. The structure is 173 ft (52.7 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMemorial Drive
CrossesWillow Creek
LocationIn Lamar
RouteCity Street 0
CountyProwers County
StateColorado
Coordinates38.07163, -102.61476
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length173 ft (52.7 m)
Longest span82 ft (24.9 m)
Deck width53 ft (16.2 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,310 (2022)
Projected traffic3,939 by 2042
Trucks5%
Lanes on structure3
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Memorial Drive over Willow Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Memorial Drive over Willow 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 April 2023.

How much traffic does Memorial Drive over Willow Creek carry?

About 3,310 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Memorial Drive over Willow Creek?

The structure is 173 ft (52.7 m) long with a longest span of 82 ft (24.9 m) and a deck 53 ft wide.

Who owns Memorial Drive over Willow Creek?

It is owned by the City or Municipal Highway Agency.