US Bridges

Il 29 FAS 1252 over Drainage Ditch

Good

Bureau County, Illinois · East Edge of Depue · Structure no. 006015500000000

Built
1991
34 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
116 ft
3 main spans
Daily traffic
2,450
2023 count
Owner
State
State Highway Agency

About this bridge

Il 29 FAS 1252 over Drainage Ditch is a prestressed concrete stringer/multi-beam or girder carrying Il 29 FAS 1252 over Drainage Ditch in Bureau 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 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 2,450 vehicles a day, roughly 4% of them trucks, projected to reach 3,384 by 2046. The structure is 116 ft (35.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIl 29 FAS 1252
CrossesDrainage Ditch
LocationEast Edge of Depue
RouteState Highway 29
Coordinates41.33355, -89.28679
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating67.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span49 ft (14.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2023)
Projected traffic3,384 by 2046
Trucks4%
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 Il 29 FAS 1252 over Drainage Ditch built?

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

What condition is Il 29 FAS 1252 over Drainage 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 March 2023.

How much traffic does Il 29 FAS 1252 over Drainage Ditch carry?

About 2,450 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Il 29 FAS 1252 over Drainage Ditch?

The structure is 116 ft (35.4 m) long with a longest span of 49 ft (14.8 m) and a deck 35 ft wide.

Who owns Il 29 FAS 1252 over Drainage Ditch?

It is owned by the State Highway Agency.