US Bridges

FAU 8381 over Slate Creek

Fair

Effingham County, Illinois · S Part Effingham · Structure no. 025314900000000

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
23 ft
1 main span
Daily traffic
950
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8381 over Slate Creek is a concrete channel beam carrying FAU 8381 over Slate Creek in Effingham County, Illinois. It was built in 1974, so it is 51 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 950 vehicles a day, roughly 11% of them trucks, projected to reach 901 by 2046. The structure is 23 ft (6.9 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAU 8381
CrossesSlate Creek
LocationS Part Effingham
CountyEffingham County
StateIllinois
Coordinates39.09785, -88.53863
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span21 ft (6.5 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic901 by 2046
Trucks11%
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 8381 over Slate Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is FAU 8381 over Slate Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does FAU 8381 over Slate Creek carry?

About 950 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FAU 8381 over Slate Creek?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.5 m) and a deck 34 ft wide.

Who owns FAU 8381 over Slate Creek?

It is owned by the City or Municipal Highway Agency.