US Bridges

FAU 8243 over Walton Lake Spillway

Good

Montgomery County, Illinois · .5 M S Litchfield · Structure no. 068323200000000

Built
1980
45 years old, rebuilt 2011
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
650
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8243 over Walton Lake Spillway is a prestressed concrete box beam or girders - multiple carrying FAU 8243 over Walton Lake Spillway in Montgomery County, Illinois. It was built in 1980 and reconstructed in 2011, so it is 45 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 650 vehicles a day, roughly 9% of them trucks, projected to reach 657 by 2046. The structure is 45 ft (13.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 8243
CrossesWalton Lake Spillway
Location.5 M S Litchfield
Coordinates39.15644, -89.65501
Functional classUrban 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 inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span43 ft (13 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic657 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 8243 over Walton Lake Spillway built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2011.

What condition is FAU 8243 over Walton Lake Spillway 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 November 2024.

How much traffic does FAU 8243 over Walton Lake Spillway carry?

About 650 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is FAU 8243 over Walton Lake Spillway?

The structure is 45 ft (13.8 m) long with a longest span of 43 ft (13 m) and a deck 28 ft wide.

Who owns FAU 8243 over Walton Lake Spillway?

It is owned by the City or Municipal Highway Agency.