US Bridges

E0520 over Otter Creek

Poor

Garfield County, Oklahoma · 2.3E of Douglas · Structure no. 137730000000000

Built
1957
68 years old
Condition
Poor
inspected March 2024
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

E0520 over Otter Creek is a concrete culvert carrying E0520 over Otter Creek in Garfield County, Oklahoma. It was built in 1957, so it is 68 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.

It carries about 500 vehicles a day, roughly 15% of them trucks, projected to reach 800 by 2042. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE0520
CrossesOtter Creek
Location2.3E of Douglas
RouteCounty Highway E0520
CountyGarfield County
StateOklahoma
Coordinates36.26036, -97.63012
Functional classRural Major Collector

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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0520 over Otter Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is E0520 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 E0520 over Otter Creek carry?

About 500 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E0520 over Otter Creek?

The structure is 45 ft (13.7 m) long with a longest span of 17 ft (5.2 m).

Who owns E0520 over Otter Creek?

It is owned by the County Highway Agency.