US Bridges

Bromley Lane over I 76 Ml

Fair

Adams County, Colorado · 4.98 MI NE of JCT SH 51 - · Structure no. E-17-MI

Built
1986
39 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
266 ft
2 main spans
Daily traffic
13,208
2024 count
Owner
State
State Highway Agency

About this bridge

Bromley Lane over I 76 Ml is a steel continuous stringer/multi-beam or girder carrying Bromley Lane over I 76 Ml in Adams County, Colorado. It was built in 1986, so it is 39 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 13,208 vehicles a day, roughly 9% of them trucks, projected to reach 17,170 by 2044. The structure is 266 ft (81 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBromley Lane
CrossesI 76 Ml
Location4.98 MI NE of JCT SH 51 -
RouteCity Street 0
Coordinates39.97237, -104.75182
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length266 ft (81 m)
Longest span133 ft (40.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,208 (2024)
Projected traffic17,170 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bromley Lane over I 76 Ml built?

It was built in 1986, making it 39 years old in 2025.

What condition is Bromley Lane over I 76 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 March 2025.

How much traffic does Bromley Lane over I 76 Ml carry?

About 13,208 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Bromley Lane over I 76 Ml?

The structure is 266 ft (81 m) long with a longest span of 133 ft (40.5 m) and a deck 43 ft wide.

Who owns Bromley Lane over I 76 Ml?

It is owned by the State Highway Agency.