US Bridges

Porter Road over Br Kent Creek

Good

Winnebago County, Illinois · .33 M E Meridian RD · Structure no. 101615400000000

Built
1979
46 years old
Condition
Good
inspected August 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
90 ft
2 main spans
Daily traffic
525
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Porter Road over Br Kent Creek is a steel continuous stringer/multi-beam or girder carrying Porter Road over Br Kent Creek in Winnebago County, Illinois. It was built in 1979, so it is 46 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 525 vehicles a day, roughly 4% of them trucks, projected to reach 606 by 2046. The structure is 90 ft (27.4 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPorter Road
CrossesBr Kent Creek
Location.33 M E Meridian RD
Coordinates42.31705, -89.16716
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span43 ft (13.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2022)
Projected traffic606 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Porter Road over Br Kent Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Porter Road over Br Kent 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 Porter Road over Br Kent Creek carry?

About 525 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Porter Road over Br Kent Creek?

The structure is 90 ft (27.4 m) long with a longest span of 43 ft (13.1 m) and a deck 43 ft wide.

Who owns Porter Road over Br Kent Creek?

It is owned by the City or Municipal Highway Agency.