US Bridges

Auburn RD over Br of Kent Creek

Fair

Winnebago County, Illinois · 0.3 MI W of Meridian · Structure no. 101615700000000

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
107 ft
3 main spans
Daily traffic
1,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Auburn RD over Br of Kent Creek is a steel continuous stringer/multi-beam or girder carrying Auburn RD over Br of Kent Creek in Winnebago County, Illinois. It was built in 1983, so it is 42 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,300 vehicles a day, roughly 6% of them trucks, projected to reach 1,212 by 2046. The structure is 107 ft (32.6 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAuburn RD
CrossesBr of Kent Creek
Location0.3 MI W of Meridian
Coordinates42.29351, -89.18007
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
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 above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span34 ft (10.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic1,212 by 2046
Trucks6%
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

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 Auburn RD over Br of Kent Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Auburn RD over Br of Kent Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Auburn RD over Br of Kent Creek carry?

About 1,300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Auburn RD over Br of Kent Creek?

The structure is 107 ft (32.6 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.

Who owns Auburn RD over Br of Kent Creek?

It is owned by the City or Municipal Highway Agency.