US Bridges

SH 65 Ml over Surface Creek

Fair

Delta County, Colorado · 3.4 MI N of Orchard City · Structure no. I-05-C

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
5,700
2020 count
Owner
State
State Highway Agency

About this bridge

SH 65 Ml over Surface Creek is a concrete tee beam carrying SH 65 Ml over Surface Creek in Delta County, Colorado. It was built in 1957, so it is 68 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 5,700 vehicles a day, roughly 3% of them trucks, projected to reach 5,871 by 2040. The structure is 93 ft (28.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 65 Ml
CrossesSurface Creek
Location3.4 MI N of Orchard City
RouteState Highway 65A
Coordinates38.87081, -107.94272
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating49.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2020)
Projected traffic5,871 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$160,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 65 Ml over Surface Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SH 65 Ml over Surface Creek 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 July 2024.

How much traffic does SH 65 Ml over Surface Creek carry?

About 5,700 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 65 Ml over Surface Creek?

The structure is 93 ft (28.3 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns SH 65 Ml over Surface Creek?

It is owned by the State Highway Agency.