US Bridges

Best RD over N Br Otter Creek

Fair

Winnebago County, Illinois · At Yale Bridge Road · Structure no. 101503500000000

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
800
2022 count
Owner
County
County Highway Agency

About this bridge

Best RD over N Br Otter Creek is a concrete continuous culvert carrying Best RD over N Br Otter Creek in Winnebago County, Illinois. It was built in 1955, so it is 70 years old, older than the Illinois average of 45.3 years.

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

It carries about 800 vehicles a day, roughly 9% of them trucks, projected to reach 606 by 2046. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBest RD
CrossesN Br Otter Creek
LocationAt Yale Bridge Road
RouteCounty Highway 0
CountyWinnebago County
StateIllinois
Coordinates42.46983, -89.38184
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 15
Structure length47 ft (14.3 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 traffic800 (2022)
Projected traffic606 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Best RD over N Br Otter Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Best RD over N Br 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 June 2023.

How much traffic does Best RD over N Br Otter Creek carry?

About 800 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Best RD over N Br Otter Creek?

The structure is 47 ft (14.3 m) long with a longest span of 17 ft (5.2 m).

Who owns Best RD over N Br Otter Creek?

It is owned by the County Highway Agency.