US Bridges

FAU 7431 over Trib Stevens Creek

Poor

Macon County, Illinois · Village of Forsyth · Structure no. 058602300000000

Built
2011
14 years old
Condition
Poor
inspected August 2024
Type
Frame
Concrete
Length
82 ft
2 main spans
Daily traffic
550
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 7431 over Trib Stevens Creek is a concrete frame carrying FAU 7431 over Trib Stevens Creek in Macon County, Illinois. It was built in 2011, so it is 14 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 550 vehicles a day, roughly 5% of them trucks, projected to reach 556 by 2046. The structure is 82 ft (25.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 7431
CrossesTrib Stevens Creek
LocationVillage of Forsyth
Coordinates39.93379, -88.97868
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating56.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length82 ft (25.1 m)
Longest span39 ft (12 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.4 m)

Traffic and service

Average daily traffic550 (2020)
Projected traffic556 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FAU 7431 over Trib Stevens Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAU 7431 over Trib Stevens Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does FAU 7431 over Trib Stevens Creek carry?

About 550 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FAU 7431 over Trib Stevens Creek?

The structure is 82 ft (25.1 m) long with a longest span of 39 ft (12 m) and a deck 30 ft wide.

Who owns FAU 7431 over Trib Stevens Creek?

It is owned by the City or Municipal Highway Agency.