US Bridges

County Road 738 over East River

Fair

Gunnison County, Colorado · 3.9 MI E of Crested Butte · Structure no. GUN738-02.80A

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
183
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 738 over East River is a prestressed concrete tee beam carrying County Road 738 over East River in Gunnison County, Colorado. It was built in 1988, so it is 37 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 183 vehicles a day, projected to reach 212 by 2042. The structure is 62 ft (18.8 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Road 738
CrossesEast River
Location3.9 MI E of Crested Butte
RouteCounty Highway 0
Coordinates38.86458, -106.90936
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.3 US tons
Inventory rating47.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span59 ft (17.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2022)
Projected traffic212 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 County Road 738 over East River built?

It was built in 1988, making it 37 years old in 2025.

What condition is County Road 738 over East 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 June 2024.

How much traffic does County Road 738 over East River carry?

About 183 vehicles per day (2022 count).

How long is County Road 738 over East River?

The structure is 62 ft (18.8 m) long with a longest span of 59 ft (17.9 m) and a deck 30 ft wide.

Who owns County Road 738 over East River?

It is owned by the County Highway Agency.