US Bridges

Level 5 NW Termina over Terrain

Fair

Denver County, Colorado · NW Corner Term Bldg · Structure no. D-31-PB-831

Built
1993
32 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
124 ft
2 main spans
Daily traffic
6,265
2021 count
Owner
Local
Other Local Agency

About this bridge

Level 5 NW Termina over Terrain is a prestressed concrete box beam or girders - single or spread carrying Level 5 NW Termina over Terrain in Denver County, Colorado. It was built in 1993, so it is 32 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 6,265 vehicles a day, roughly 50% of them trucks, projected to reach 6,955 by 2041. The structure is 124 ft (37.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLevel 5 NW Termina
CrossesTerrain
LocationNW Corner Term Bldg
RouteCity Street 0
CountyDenver County
StateColorado
Coordinates39.84999, -104.67515
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.7 US tons
Inventory rating42 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length124 ft (37.7 m)
Longest span56 ft (17.2 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,265 (2021)
Projected traffic6,955 by 2041
Trucks50%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Level 5 NW Termina over Terrain built?

It was built in 1993, making it 32 years old in 2025.

What condition is Level 5 NW Termina over Terrain 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 January 2025.

How much traffic does Level 5 NW Termina over Terrain carry?

About 6,265 vehicles per day (2021 count), of which roughly 50% are trucks.

How long is Level 5 NW Termina over Terrain?

The structure is 124 ft (37.7 m) long with a longest span of 56 ft (17.2 m) and a deck 40 ft wide.

Who owns Level 5 NW Termina over Terrain?

It is owned by the Other Local Agency.