US Bridges

FAI 172 over Fall Creek

Good

Adams County, Illinois · 1.0 M S Il 57 · Structure no. 001200500000000

Built
1982
43 years old, rebuilt 1988
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
13,100
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 172 over Fall Creek is a concrete culvert carrying FAI 172 over Fall Creek in Adams County, Illinois. It was built in 1982 and reconstructed in 1988, so it is 43 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 13,100 vehicles a day, roughly 16% of them trucks, projected to reach 13,130 by 2046. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 172
CrossesFall Creek
Location1.0 M S Il 57
RouteInterstate 172
Coordinates39.76641, -91.31188
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,100 (2023)
Projected traffic13,130 by 2046
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 FAI 172 over Fall Creek built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 1988.

What condition is FAI 172 over Fall Creek 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 August 2024.

How much traffic does FAI 172 over Fall Creek carry?

About 13,100 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is FAI 172 over Fall Creek?

The structure is 30 ft (9.2 m) long with a longest span of 13 ft (4.1 m).

Who owns FAI 172 over Fall Creek?

It is owned by the State Highway Agency.