US Bridges

N. Davis Road over S. Br. Otter Creek

Good

Stephenson County, Illinois · 2.3 Mi. N. of Davis · Structure no. 089511000000000

Built
1995
30 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
1,650
2024 count
Owner
County
County Highway Agency

About this bridge

N. Davis Road over S. Br. Otter Creek is a concrete culvert carrying N. Davis Road over S. Br. Otter Creek in Stephenson County, Illinois. It was built in 1995, so it is 30 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 1,650 vehicles a day, roughly 10% of them trucks, projected to reach 1,566 by 2046. The structure is 43 ft (13 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN. Davis Road
CrossesS. Br. Otter Creek
Location2.3 Mi. N. of Davis
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.45768, -89.41929
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2024)
Projected traffic1,566 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 N. Davis Road over S. Br. Otter Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is N. Davis Road over S. Br. 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 October 2024.

How much traffic does N. Davis Road over S. Br. Otter Creek carry?

About 1,650 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N. Davis Road over S. Br. Otter Creek?

The structure is 43 ft (13 m) long with a longest span of 14 ft (4.3 m).

Who owns N. Davis Road over S. Br. Otter Creek?

It is owned by the County Highway Agency.