US Bridges

E Watch Dog Road over Otter Creek

Fair

Carroll County, Illinois · 5.5 MI E Chadwick · Structure no. 008381100000000

Built
1931
94 years old
Condition
Fair
inspected May 2023
Type
Other
Concrete
Length
48 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

E Watch Dog Road over Otter Creek is a concrete other carrying E Watch Dog Road over Otter Creek in Carroll County, Illinois. It was built in 1931, so it is 94 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 6 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 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 48 ft (14.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE Watch Dog Road
CrossesOtter Creek
Location5.5 MI E Chadwick
RouteCounty Highway 0
CountyCarroll County
StateIllinois
Coordinates42.03803, -89.77856
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.7 m)
Longest span47 ft (14.3 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks8%
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 E Watch Dog Road over Otter Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is E Watch Dog Road 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 May 2023.

How much traffic does E Watch Dog Road over Otter Creek carry?

About 50 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is E Watch Dog Road over Otter Creek?

The structure is 48 ft (14.7 m) long with a longest span of 47 ft (14.3 m) and a deck 24 ft wide.

Who owns E Watch Dog Road over Otter Creek?

It is owned by the Town or Township Highway Agency.