US Bridges

Nilwood Waggoner R over Horse Creek

Fair

Macoupin County, Illinois · 4.5 Mi. E. Nilwood · Structure no. 059323300000000

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
31 ft
3 main spans
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

Nilwood Waggoner R over Horse Creek is a steel culvert carrying Nilwood Waggoner R over Horse Creek in Macoupin County, Illinois. It was built in 1973, so it is 52 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 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 200 vehicles a day, roughly 16% of them trucks, projected to reach 227 by 2046. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNilwood Waggoner R
CrossesHorse Creek
Location4.5 Mi. E. Nilwood
RouteCounty Highway 0
CountyMacoupin County
StateIllinois
Coordinates39.39176, -89.72393
Functional classRural Major 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic227 by 2046
Trucks16%
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

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 Nilwood Waggoner R over Horse Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nilwood Waggoner R over Horse 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 March 2023.

How much traffic does Nilwood Waggoner R over Horse Creek carry?

About 200 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Nilwood Waggoner R over Horse Creek?

The structure is 31 ft (9.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Nilwood Waggoner R over Horse Creek?

It is owned by the County Highway Agency.