US Bridges

Hamilton Creek RD over Blue River

Fair

Summit County, Colorado · 0.4 Mile East of Highway · Structure no. 117190000.4001A

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
483
2020 count
Owner
County
County Highway Agency

About this bridge

Hamilton Creek RD over Blue River is a prestressed concrete tee beam carrying Hamilton Creek RD over Blue River in Summit County, Colorado. It was built in 1980, so it is 45 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 5 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 483 vehicles a day, roughly 4% of them trucks, projected to reach 589 by 2040. The structure is 64 ft (19.5 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHamilton Creek RD
CrossesBlue River
Location0.4 Mile East of Highway
RouteCounty Highway 0
Coordinates39.66211, -106.08019
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic483 (2020)
Projected traffic589 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Hamilton Creek RD over Blue River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Hamilton Creek RD over Blue River 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 September 2024.

How much traffic does Hamilton Creek RD over Blue River carry?

About 483 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Hamilton Creek RD over Blue River?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 26 ft wide.

Who owns Hamilton Creek RD over Blue River?

It is owned by the County Highway Agency.