US Bridges

FAS 413 - Ch 11 over S Henderson CR

Fair

Warren County, Illinois · SW-21-T10NR3W · Structure no. 094301000000000

Built
1949
76 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
450
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 413 - Ch 11 over S Henderson CR is a steel stringer/multi-beam or girder carrying FAS 413 - Ch 11 over S Henderson CR in Warren County, Illinois. It was built in 1949, so it is 76 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 450 vehicles a day, roughly 12% of them trucks, projected to reach 429 by 2046. The structure is 55 ft (16.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 413 - Ch 11
CrossesS Henderson CR
LocationSW-21-T10NR3W
RouteCounty Highway 0
Coordinates40.84069, -90.74953
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length55 ft (16.8 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic429 by 2046
Trucks12%
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 FAS 413 - Ch 11 over S Henderson CR built?

It was built in 1949, making it 76 years old in 2025.

What condition is FAS 413 - Ch 11 over S Henderson CR 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 January 2024.

How much traffic does FAS 413 - Ch 11 over S Henderson CR carry?

About 450 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FAS 413 - Ch 11 over S Henderson CR?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns FAS 413 - Ch 11 over S Henderson CR?

It is owned by the County Highway Agency.