US Bridges

FAS 227 - Osco Roa over W. Mineral Creek

Fair

Henry County, Illinois · 5 Mi. SE of Colona · Structure no. 037014000000000

Built
1991
34 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
84 ft
1 main span
Daily traffic
275
2020 count
Owner
State
State Highway Agency

About this bridge

FAS 227 - Osco Roa over W. Mineral Creek is a steel continuous stringer/multi-beam or girder carrying FAS 227 - Osco Roa over W. Mineral Creek in Henry County, Illinois. It was built in 1991, so it is 34 years old, younger 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 275 vehicles a day, roughly 21% of them trucks, projected to reach 297 by 2046. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 227 - Osco Roa
CrossesW. Mineral Creek
Location5 Mi. SE of Colona
RouteCounty Highway 0
Coordinates41.39653, -90.28971
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span79 ft (24.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2020)
Projected traffic297 by 2046
Trucks21%
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

OwnerState Highway Agency
Maintained byState 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 227 - Osco Roa over W. Mineral Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is FAS 227 - Osco Roa over W. Mineral 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 October 2023.

How much traffic does FAS 227 - Osco Roa over W. Mineral Creek carry?

About 275 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is FAS 227 - Osco Roa over W. Mineral Creek?

The structure is 84 ft (25.6 m) long with a longest span of 79 ft (24.2 m) and a deck 33 ft wide.

Who owns FAS 227 - Osco Roa over W. Mineral Creek?

It is owned by the State Highway Agency.