US Bridges

Lindenwood RD over Unnamed Creek

Fair

Winnebago County, Illinois · 05 MI SE New Milford · Structure no. 101516400000000

Built
1941
84 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
1,950
2022 count
Owner
County
County Highway Agency

About this bridge

Lindenwood RD over Unnamed Creek is a concrete culvert carrying Lindenwood RD over Unnamed Creek in Winnebago County, Illinois. It was built in 1941, so it is 84 years old, older 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 5 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 1,950 vehicles a day, roughly 54% of them trucks, projected to reach 1,616 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLindenwood RD
CrossesUnnamed Creek
Location05 MI SE New Milford
RouteCounty Highway 0
Coordinates42.16183, -89.05707
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2022)
Projected traffic1,616 by 2046
Trucks54%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Lindenwood RD over Unnamed Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Lindenwood RD over Unnamed 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 September 2024.

How much traffic does Lindenwood RD over Unnamed Creek carry?

About 1,950 vehicles per day (2022 count), of which roughly 54% are trucks.

How long is Lindenwood RD over Unnamed Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3.2 m).

Who owns Lindenwood RD over Unnamed Creek?

It is owned by the County Highway Agency.