US Bridges

Ch 13 FAS 1221 over Green River

Fair

Henry County, Illinois · 5.0 MI NW Geneseo · Structure no. 037321900000000

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
234 ft
3 main spans
Daily traffic
550
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 13 FAS 1221 over Green River is a prestressed concrete box beam or girders - multiple carrying Ch 13 FAS 1221 over Green River in Henry County, Illinois. It was built in 1975, so it is 50 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 550 vehicles a day, roughly 25% of them trucks, projected to reach 594 by 2046. The structure is 234 ft (71.3 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesCh 13 FAS 1221
CrossesGreen River
Location5.0 MI NW Geneseo
RouteCounty Highway 0
CountyHenry County
StateIllinois
Coordinates41.47848, -90.26027
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length234 ft (71.3 m)
Longest span77 ft (23.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2020)
Projected traffic594 by 2046
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Ch 13 FAS 1221 over Green River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ch 13 FAS 1221 over Green River 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 August 2024.

How much traffic does Ch 13 FAS 1221 over Green River carry?

About 550 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is Ch 13 FAS 1221 over Green River?

The structure is 234 ft (71.3 m) long with a longest span of 77 ft (23.5 m) and a deck 30 ft wide.

Who owns Ch 13 FAS 1221 over Green River?

It is owned by the County Highway Agency.