US Bridges

SH 88 Ml over Bear Creek

Poor

Arapahoe County, Colorado · 0.1 MI S of JCT US285 · Structure no. F-16-BC

Built
1966
59 years old
Condition
Poor
inspected June 2024
Type
Tee Beam
Concrete
Length
94 ft
3 main spans
Daily traffic
21,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 88 Ml over Bear Creek is a concrete tee beam carrying SH 88 Ml over Bear Creek in Arapahoe County, Colorado. It was built in 1966, so it is 59 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 3 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 21,000 vehicles a day, roughly 4% of them trucks, projected to reach 21,420 by 2040. The structure is 94 ft (28.7 m) long and 80 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 88 Ml
CrossesBear Creek
Location0.1 MI S of JCT US285
RouteState Highway 88A
Coordinates39.65049, -105.0254
Functional classUrban Other Principal Arterial

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length94 ft (28.7 m)
Longest span31 ft (9.4 m)
Deck width80 ft (24.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2020)
Projected traffic21,420 by 2040
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 88 Ml over Bear Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is SH 88 Ml over Bear Creek 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 2024.

How much traffic does SH 88 Ml over Bear Creek carry?

About 21,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SH 88 Ml over Bear Creek?

The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.4 m) and a deck 80 ft wide.

Who owns SH 88 Ml over Bear Creek?

It is owned by the State Highway Agency.