US Bridges

FAS 1595 (ch 19) over Sleepy Hallow Ditch

Good

Mason County, Illinois · 4 M SW Mason City · Structure no. 063303300000000

Built
2012
13 years old
Condition
Good
inspected September 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 1595 (ch 19) over Sleepy Hallow Ditch is a prestressed concrete box beam or girders - multiple carrying FAS 1595 (ch 19) over Sleepy Hallow Ditch in Mason County, Illinois. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 8% of them trucks, projected to reach 278 by 2046. The structure is 120 ft (36.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 1595 (ch 19)
CrossesSleepy Hallow Ditch
Location4 M SW Mason City
RouteCounty Highway 0
Coordinates40.16398, -89.75515
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span55 ft (16.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic278 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1595 (ch 19) over Sleepy Hallow Ditch built?

It was built in 2012, making it 13 years old in 2025.

What condition is FAS 1595 (ch 19) over Sleepy Hallow Ditch 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 September 2022.

How much traffic does FAS 1595 (ch 19) over Sleepy Hallow Ditch carry?

About 200 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is FAS 1595 (ch 19) over Sleepy Hallow Ditch?

The structure is 120 ft (36.6 m) long with a longest span of 55 ft (16.8 m) and a deck 30 ft wide.

Who owns FAS 1595 (ch 19) over Sleepy Hallow Ditch?

It is owned by the County Highway Agency.