US Bridges

FAS 405 - Ch 1 over Middle Henderson CR

Good

Warren County, Illinois · NW-7-T12NR1W · Structure no. 094303600000000

Built
2006
19 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
3 main spans
Daily traffic
1,300
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 405 - Ch 1 over Middle Henderson CR is a prestressed concrete box beam or girders - multiple carrying FAS 405 - Ch 1 over Middle Henderson CR in Warren County, Illinois. It was built in 2006, so it is 19 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 8% of them trucks, projected to reach 1,313 by 2046. The structure is 77 ft (23.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 405 - Ch 1
CrossesMiddle Henderson CR
LocationNW-7-T12NR1W
RouteCounty Highway 0
Coordinates41.04356, -90.55122
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length77 ft (23.6 m)
Longest span25 ft (7.7 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2021)
Projected traffic1,313 by 2046
Trucks8%
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 405 - Ch 1 over Middle Henderson CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is FAS 405 - Ch 1 over Middle Henderson CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does FAS 405 - Ch 1 over Middle Henderson CR carry?

About 1,300 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAS 405 - Ch 1 over Middle Henderson CR?

The structure is 77 ft (23.6 m) long with a longest span of 25 ft (7.7 m) and a deck 32 ft wide.

Who owns FAS 405 - Ch 1 over Middle Henderson CR?

It is owned by the County Highway Agency.