US Bridges

Scott Troy FAU 917 over Hagemann Creek

Fair

St. Clair County, Illinois · 2.9 MI N U.S. RTE 50 · Structure no. 082306000000000

Built
1976
49 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
7,500
2023 count
Owner
County
County Highway Agency

About this bridge

Scott Troy FAU 917 over Hagemann Creek is a concrete culvert carrying Scott Troy FAU 917 over Hagemann Creek in St. Clair 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 7,500 vehicles a day, roughly 5% of them trucks, projected to reach 8,030 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesScott Troy FAU 917
CrossesHagemann Creek
Location2.9 MI N U.S. RTE 50
CountySt. Clair County
StateIllinois
Coordinates38.62461, -89.87404
Functional classUrban Other Principal Arterial

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic8,030 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Scott Troy FAU 917 over Hagemann Creek built?

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

What condition is Scott Troy FAU 917 over Hagemann 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 February 2024.

How much traffic does Scott Troy FAU 917 over Hagemann Creek carry?

About 7,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Scott Troy FAU 917 over Hagemann Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Scott Troy FAU 917 over Hagemann Creek?

It is owned by the County Highway Agency.