US Bridges

I 70 Ml Wbnd over County Road 197

Poor

Arapahoe County, Colorado · 7.4 MI W of Deertrail Spu · Structure no. F-20-BG

Built
1964
61 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
70 ft
3 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over County Road 197 is a concrete tee beam carrying I 70 Ml Wbnd over County Road 197 in Arapahoe County, Colorado. It was built in 1964, so it is 61 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,000 vehicles a day, roughly 32% of them trucks, projected to reach 7,800 by 2040. The structure is 70 ft (21.2 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 70 Ml Wbnd
CrossesCounty Road 197
Location7.4 MI W of Deertrail Spu
RouteInterstate 70A
CountyArapahoe County
StateColorado
Coordinates39.69042, -104.13535
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length70 ft (21.2 m)
Longest span22 ft (6.7 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic7,800 by 2040
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 70 Ml Wbnd over County Road 197 built?

It was built in 1964, making it 61 years old in 2025.

What condition is I 70 Ml Wbnd over County Road 197 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does I 70 Ml Wbnd over County Road 197 carry?

About 6,000 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is I 70 Ml Wbnd over County Road 197?

The structure is 70 ft (21.2 m) long with a longest span of 22 ft (6.7 m) and a deck 42 ft wide.

Who owns I 70 Ml Wbnd over County Road 197?

It is owned by the State Highway Agency.