US Bridges

Simpson Road over Fullers CR

Poor

Winnebago County, Illinois · 0.2 MI E Prairie RD · Structure no. 101503700000000

Built
1959
66 years old
Condition
Poor
inspected August 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Simpson Road over Fullers CR is a concrete culvert carrying Simpson Road over Fullers CR 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 700 vehicles a day, roughly 5% of them trucks, projected to reach 960 by 2046. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSimpson Road
CrossesFullers CR
Location0.2 MI E Prairie RD
CountyWinnebago County
StateIllinois
Coordinates42.2232, -89.12238
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic960 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Simpson Road over Fullers CR built?

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

What condition is Simpson Road over Fullers CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Simpson Road over Fullers CR carry?

About 700 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Simpson Road over Fullers CR?

The structure is 40 ft (12.2 m) long with a longest span of 14 ft (4.3 m).

Who owns Simpson Road over Fullers CR?

It is owned by the City or Municipal Highway Agency.