US Bridges

Milford Av over Drainageway

Good

Winnebago County, Illinois · 0.3 MI W of 11th ST · Structure no. 101614100000000

Built
1959
66 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
675
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Milford Av over Drainageway is a concrete culvert carrying Milford Av over Drainageway in Winnebago County, Illinois. It was built in 1959, so it is 66 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 675 vehicles a day, roughly 37% of them trucks, projected to reach 1,061 by 2046. The structure is 29 ft (8.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMilford Av
CrossesDrainageway
Location0.3 MI W of 11th ST
RouteCity Street 0
Coordinates42.2006, -89.07628
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2022)
Projected traffic1,061 by 2046
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Milford Av over Drainageway built?

It was built in 1959, making it 66 years old in 2025.

What condition is Milford Av over Drainageway 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 Milford Av over Drainageway carry?

About 675 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is Milford Av over Drainageway?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns Milford Av over Drainageway?

It is owned by the City or Municipal Highway Agency.