US Bridges

Town Line Rd. over Br. Elkhorn Cr.

Fair

Ogle County, Illinois · 1.0 S.W. Forreston · Structure no. 071504000000000

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
200
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Town Line Rd. over Br. Elkhorn Cr. is a concrete culvert carrying Town Line Rd. over Br. Elkhorn Cr. in Ogle County, Illinois. It was built in 1965, so it is 60 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 200 vehicles a day, roughly 34% of them trucks, projected to reach 208 by 2046. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTown Line Rd.
CrossesBr. Elkhorn Cr.
Location1.0 S.W. Forreston
RouteCounty Highway 0
CountyOgle County
StateIllinois
Coordinates42.11301, -89.6031
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic208 by 2046
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Town Line Rd. over Br. Elkhorn Cr. built?

It was built in 1965, making it 60 years old in 2025.

What condition is Town Line Rd. over Br. Elkhorn Cr. 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 August 2023.

How much traffic does Town Line Rd. over Br. Elkhorn Cr. carry?

About 200 vehicles per day (2022 count), of which roughly 34% are trucks.

How long is Town Line Rd. over Br. Elkhorn Cr.?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m).

Who owns Town Line Rd. over Br. Elkhorn Cr.?

It is owned by the Town or Township Highway Agency.