US Bridges

Iberg Rd/Fau 8858 over Trib to Sugar Ck

Fair

Madison County, Illinois · 1.0 MI SE Highland · Structure no. 060322100000000

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
800
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Iberg Rd/Fau 8858 over Trib to Sugar Ck is a steel culvert carrying Iberg Rd/Fau 8858 over Trib to Sugar Ck in Madison County, Illinois. It was built in 1976, so it is 49 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 800 vehicles a day, roughly 6% of them trucks, projected to reach 856 by 2046. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesIberg Rd/Fau 8858
CrossesTrib to Sugar Ck
Location1.0 MI SE Highland
CountyMadison County
StateIllinois
Coordinates38.72482, -89.65261
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating70 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length36 ft (11.1 m)
Longest span17 ft (5.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2021)
Projected traffic856 by 2046
Trucks6%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Iberg Rd/Fau 8858 over Trib to Sugar Ck built?

It was built in 1976, making it 49 years old in 2025.

What condition is Iberg Rd/Fau 8858 over Trib to Sugar Ck 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 November 2024.

How much traffic does Iberg Rd/Fau 8858 over Trib to Sugar Ck carry?

About 800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Iberg Rd/Fau 8858 over Trib to Sugar Ck?

The structure is 36 ft (11.1 m) long with a longest span of 17 ft (5.1 m).

Who owns Iberg Rd/Fau 8858 over Trib to Sugar Ck?

It is owned by the Town or Township Highway Agency.