US Bridges

FAS 899 over Unnamed Creek

Good

Saline County, Illinois · .4 M W C. Mills RD · Structure no. 083202200000000

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
375
2020 count
Owner
State
State Highway Agency

About this bridge

FAS 899 over Unnamed Creek is a concrete continuous culvert carrying FAS 899 over Unnamed Creek in Saline County, Illinois. It was built in 2014, so it is 11 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 375 vehicles a day, roughly 11% of them trucks, projected to reach 379 by 2046. The structure is 23 ft (6.9 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 899
CrossesUnnamed Creek
Location.4 M W C. Mills RD
RouteCounty Highway 0
Coordinates37.73865, -88.64223
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2020)
Projected traffic379 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 FAS 899 over Unnamed Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is FAS 899 over Unnamed 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 October 2024.

How much traffic does FAS 899 over Unnamed Creek carry?

About 375 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FAS 899 over Unnamed Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.

Who owns FAS 899 over Unnamed Creek?

It is owned by the State Highway Agency.