US Bridges

E1650 over Otter Creek

PoorClosed to traffic

Tillman County, Oklahoma · 7.2N 2.W of Manitou · Structure no. 009400000000000

Built
1920
105 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
47 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

E1650 over Otter Creek is a steel truss - thru carrying E1650 over Otter Creek in Tillman 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 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: 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 47 ft (14.3 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1650
CrossesOtter Creek
Location7.2N 2.W of Manitou
RouteCounty Highway E1650
Coordinates34.62336, -99.00599
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionMarch 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1650 over Otter Creek built?

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

What condition is E1650 over Otter 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 March 2024.

How much traffic does E1650 over Otter Creek carry?

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

How long is E1650 over Otter Creek?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 14 ft wide.

Who owns E1650 over Otter Creek?

It is owned by the County Highway Agency.