US Bridges

N2850 over Creek

PoorPosted for load

Canadian County, Oklahoma · 1.E .1N 81; I40 · Structure no. 035780000000000

Built
1932
93 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N2850 over Creek is a concrete continuous slab carrying N2850 over Creek in Canadian County, Oklahoma. It was built in 1932, so it is 93 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 4 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2042. The structure is 28 ft (8.5 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2850
CrossesCreek
Location1.E .1N 81; I40
RouteCity Street N2850
Coordinates35.50438, -97.9193
Functional classUrban 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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9 US tons
Inventory rating5.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$256,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2850 over Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is N2850 over 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 November 2024.

How much traffic does N2850 over Creek carry?

About 200 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N2850 over Creek?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 17 ft wide.

Who owns N2850 over Creek?

It is owned by the City or Municipal Highway Agency.