US Bridges

Table Mesa Drive over US 36 Ml

Fair

Boulder County, Colorado · In Boulder · Structure no. E-16-FB

Built
1951
74 years old, rebuilt 1972
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
178 ft
4 main spans
Daily traffic
44,000
2021 count
Owner
State
State Highway Agency

About this bridge

Table Mesa Drive over US 36 Ml is a steel continuous stringer/multi-beam or girder carrying Table Mesa Drive over US 36 Ml in Boulder County, Colorado. It was built in 1951 and reconstructed in 1972, so it is 74 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 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 44,000 vehicles a day, roughly 3% of them trucks, projected to reach 52,800 by 2041. The structure is 178 ft (54.3 m) long and 94 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTable Mesa Drive
CrossesUS 36 Ml
LocationIn Boulder
RouteCity Street 0
CountyBoulder County
StateColorado
Coordinates39.98634, -105.23468
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating11.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span52 ft (16 m)
Deck width94 ft (28.7 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,000 (2021)
Projected traffic52,800 by 2041
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.2 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Table Mesa Drive over US 36 Ml built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1972.

What condition is Table Mesa Drive over US 36 Ml 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 July 2023.

How much traffic does Table Mesa Drive over US 36 Ml carry?

About 44,000 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Table Mesa Drive over US 36 Ml?

The structure is 178 ft (54.3 m) long with a longest span of 52 ft (16 m) and a deck 94 ft wide.

Who owns Table Mesa Drive over US 36 Ml?

It is owned by the State Highway Agency.