US Bridges

Freeport RD over Br. of Buffalo Creek

Good

Ogle County, Illinois · 4 Mi. Sw. of Polo · Structure no. 071509400000000

Built
1996
29 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
1,750
2022 count
Owner
County
County Highway Agency

About this bridge

Freeport RD over Br. of Buffalo Creek is a concrete culvert carrying Freeport RD over Br. of Buffalo Creek in Ogle County, Illinois. It was built in 1996, so it is 29 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 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 1,750 vehicles a day, roughly 7% of them trucks, projected to reach 1,924 by 2046. The structure is 45 ft (13.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFreeport RD
CrossesBr. of Buffalo Creek
Location4 Mi. Sw. of Polo
RouteCounty Highway 0
Coordinates41.93583, -89.62882
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2022)
Projected traffic1,924 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Br. of Buffalo Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Freeport RD over Br. of Buffalo 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 Freeport RD over Br. of Buffalo Creek carry?

About 1,750 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Freeport RD over Br. of Buffalo Creek?

The structure is 45 ft (13.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Freeport RD over Br. of Buffalo Creek?

It is owned by the County Highway Agency.