US Bridges

N3057 over Pond Creek

PoorClosed to traffic

Grant County, Oklahoma · 1.3 S of Lamont · Structure no. 094940000000000

Built
1940
85 years old
Condition
Poor
inspected May 2023
Type
Truss - Thru
Steel
Length
163 ft
2 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N3057 over Pond Creek is a steel truss - thru carrying N3057 over Pond Creek in Grant County, Oklahoma. It was built in 1940, so it is 85 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 0 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: closed to all traffic.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 163 ft (49.7 m) long and 19 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesN3057
CrossesPond Creek
Location1.3 S of Lamont
RouteCounty Highway N3057
CountyGrant County
StateOklahoma
Coordinates36.67254, -97.55698
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection0 FailedOut of service and beyond corrective action.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length163 ft (49.7 m)
Longest span81 ft (24.7 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$640,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3057 over Pond Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is N3057 over Pond 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 May 2023.

How much traffic does N3057 over Pond Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3057 over Pond Creek?

The structure is 163 ft (49.7 m) long with a longest span of 81 ft (24.7 m) and a deck 19 ft wide.

Who owns N3057 over Pond Creek?

It is owned by the County Highway Agency.