US Bridges

E1660 over N Boggy Creek

PoorClosed to traffic

Atoka County, Oklahoma · 1W 2N of Chockie · Structure no. 011400000000000

Built
1920
105 years old
Condition
Poor
inspected February 2024
Type
Truss - Thru
Steel
Length
116 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E1660 over N Boggy Creek is a steel truss - thru carrying E1660 over N Boggy Creek in Atoka County, Oklahoma. It was built in 1920, so it is 105 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 2 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 116 ft (35.4 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1660
CrossesN Boggy Creek
Location1W 2N of Chockie
RouteCounty Highway E1660
Coordinates34.60785, -96.01736
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length116 ft (35.4 m)
Longest span75 ft (22.9 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$273,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1660 over N Boggy Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is E1660 over N Boggy 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 February 2024.

How much traffic does E1660 over N Boggy Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1660 over N Boggy Creek?

The structure is 116 ft (35.4 m) long with a longest span of 75 ft (22.9 m) and a deck 16 ft wide.

Who owns E1660 over N Boggy Creek?

It is owned by the County Highway Agency.