US Bridges

Freeport RD over Elkhorn Creek

Good

Ogle County, Illinois · 4.0 MI SW Forreston · Structure no. 071303200000000

Built
1961
64 years old, rebuilt 2011
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
1,400
2022 count
Owner
County
County Highway Agency

About this bridge

Freeport RD over Elkhorn Creek is a concrete continuous slab carrying Freeport RD over Elkhorn Creek in Ogle County, Illinois. It was built in 1961 and reconstructed in 2011, so it is 64 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 12% of them trucks, projected to reach 1,248 by 2046. The structure is 86 ft (26.2 m) long and 40 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesFreeport RD
CrossesElkhorn Creek
Location4.0 MI SW Forreston
RouteCounty Highway 0
Coordinates42.09403, -89.62738
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length86 ft (26.2 m)
Longest span32 ft (9.7 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic1,248 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Freeport RD over Elkhorn Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2011.

What condition is Freeport RD over Elkhorn 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 2023.

How much traffic does Freeport RD over Elkhorn Creek carry?

About 1,400 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Freeport RD over Elkhorn Creek?

The structure is 86 ft (26.2 m) long with a longest span of 32 ft (9.7 m) and a deck 40 ft wide.

Who owns Freeport RD over Elkhorn Creek?

It is owned by the County Highway Agency.