US Bridges

Mc Gregor Road over Unnamed Steam

Good

Ogle County, Illinois · 4 Mi. Ne. of Byron · Structure no. 071329700000000

Built
1991
34 years old
Condition
Good
inspected August 2021
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
200
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mc Gregor Road over Unnamed Steam is a concrete channel beam carrying Mc Gregor Road over Unnamed Steam in Ogle County, Illinois. It was built in 1991, so it is 34 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 200 vehicles a day, roughly 26% of them trucks, projected to reach 312 by 2046. The structure is 29 ft (8.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMc Gregor Road
CrossesUnnamed Steam
Location4 Mi. Ne. of Byron
RouteCounty Highway 0
CountyOgle County
StateIllinois
Coordinates42.18853, -89.20401
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionAugust 2021
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span27 ft (8.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic312 by 2046
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mc Gregor Road over Unnamed Steam built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mc Gregor Road over Unnamed Steam 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 Mc Gregor Road over Unnamed Steam carry?

About 200 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is Mc Gregor Road over Unnamed Steam?

The structure is 29 ft (8.9 m) long with a longest span of 27 ft (8.1 m) and a deck 26 ft wide.

Who owns Mc Gregor Road over Unnamed Steam?

It is owned by the Town or Township Highway Agency.