US Bridges

E1690 over Otter Creek

FairPosted for load

Tillman County, Oklahoma · 4.3N .9W of Manitou · Structure no. 004530000000000

Built
1915
110 years old, rebuilt 2007
Condition
Fair
inspected March 2024
Type
Truss - Thru
Steel
Length
92 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

E1690 over Otter Creek is a steel truss - thru carrying E1690 over Otter Creek in Tillman County, Oklahoma. It was built in 1915 and reconstructed in 2007, so it is 110 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 92 ft (28 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesE1690
CrossesOtter Creek
Location4.3N .9W of Manitou
RouteCounty Highway E1690
CountyTillman County
StateOklahoma
Coordinates34.56527, -99.15792
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment7: Better than present minimum criteria
Operating rating9 US tons
Inventory rating5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length92 ft (28 m)
Longest span52 ft (15.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 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 closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$277,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1690 over Otter Creek built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 2007.

What condition is E1690 over Otter Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does E1690 over Otter Creek carry?

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

How long is E1690 over Otter Creek?

The structure is 92 ft (28 m) long with a longest span of 52 ft (15.8 m) and a deck 16 ft wide.

Who owns E1690 over Otter Creek?

It is owned by the County Highway Agency.