US Bridges

Otter Road over Otter Creek

Good

Ogle County, Illinois · 2.3 MI N Leaf River · Structure no. 071331000000000

Built
1993
32 years old
Condition
Good
inspected August 2021
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
25
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Otter Road over Otter Creek is a concrete channel beam carrying Otter Road over Otter Creek in Ogle County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 26 by 2046. The structure is 40 ft (12.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOtter Road
CrossesOtter Creek
Location2.3 MI N Leaf River
RouteCounty Highway 0
Coordinates42.16215, -89.40478
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span35 ft (10.6 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2017)
Projected traffic26 by 2046
Trucks0%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Otter Road over Otter Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Otter Road over Otter Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2021.

How much traffic does Otter Road over Otter Creek carry?

About 25 vehicles per day (2017 count).

How long is Otter Road over Otter Creek?

The structure is 40 ft (12.1 m) long with a longest span of 35 ft (10.6 m) and a deck 26 ft wide.

Who owns Otter Road over Otter Creek?

It is owned by the Town or Township Highway Agency.