US Bridges

Blake Street over N. Fork Republican River

Poor

Yuma County, Colorado · 0.1 M N of SH 34 · Structure no. WRAY 1

Built
1980
45 years old
Condition
Poor
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
3,169
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blake Street over N. Fork Republican River is a prestressed concrete tee beam carrying Blake Street over N. Fork Republican River in Yuma 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 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 3,169 vehicles a day, roughly 6% of them trucks, projected to reach 3,708 by 2043. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBlake Street
CrossesN. Fork Republican River
Location0.1 M N of SH 34
RouteCity Street 0
Coordinates40.07932, -102.22488
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span33 ft (10 m)
Deck width29 ft (8.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,169 (2023)
Projected traffic3,708 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blake Street over N. Fork Republican River built?

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

What condition is Blake Street over N. Fork Republican River 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 December 2024.

How much traffic does Blake Street over N. Fork Republican River carry?

About 3,169 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Blake Street over N. Fork Republican River?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10 m) and a deck 29 ft wide.

Who owns Blake Street over N. Fork Republican River?

It is owned by the City or Municipal Highway Agency.