US Bridges

FAU-8320 over Creek

Fair

Crawford County, Illinois · Robinson · Structure no. 017600300000000

Built
1909
116 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
26 ft
1 main span
Daily traffic
2,200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU-8320 over Creek is a concrete arch - deck carrying FAU-8320 over Creek in Crawford County, Illinois. It was built in 1909, so it is 116 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 5 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 2,200 vehicles a day, roughly 5% of them trucks, projected to reach 2,222 by 2046. The structure is 26 ft (7.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU-8320
CrossesCreek
LocationRobinson
Coordinates39.00879, -87.73939
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width48 ft (14.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2020)
Projected traffic2,222 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$197,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU-8320 over Creek built?

It was built in 1909, making it 116 years old in 2025.

What condition is FAU-8320 over 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 October 2023.

How much traffic does FAU-8320 over Creek carry?

About 2,200 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FAU-8320 over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 48 ft wide.

Who owns FAU-8320 over Creek?

It is owned by the City or Municipal Highway Agency.