US Bridges

N2860 over Nine Mile Creek

PoorPosted for load

Garfield County, Oklahoma · 4W 2.1N of Kremlin · Structure no. 014210000000000

Built
1925
100 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
23 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

N2860 over Nine Mile Creek is a concrete stringer/multi-beam or girder carrying N2860 over Nine Mile Creek in Garfield County, Oklahoma. It was built in 1925, so it is 100 years old, older than the Oklahoma average of 47.8 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 23 ft (7 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2860
CrossesNine Mile Creek
Location4W 2.1N of Kremlin
RouteCounty Highway N2860
Coordinates36.58248, -97.90807
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13 US tons
Inventory rating7.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2860 over Nine Mile Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is N2860 over Nine Mile 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 July 2024.

How much traffic does N2860 over Nine Mile Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2860 over Nine Mile Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 19 ft wide.

Who owns N2860 over Nine Mile Creek?

It is owned by the County Highway Agency.