US Bridges

FAS 850 over Trib to Gerhart Cr.

Good

Monroe County, Illinois · .1MI East Waterloo · Structure no. 067316800000000

Built
2004
21 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
4,650
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 850 over Trib to Gerhart Cr. is a prestressed concrete box beam or girders - multiple carrying FAS 850 over Trib to Gerhart Cr. in Monroe County, Illinois. It was built in 2004, so it is 21 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,650 vehicles a day, roughly 4% of them trucks, projected to reach 4,916 by 2046. The structure is 52 ft (15.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAS 850
CrossesTrib to Gerhart Cr.
Location.1MI East Waterloo
RouteCounty Highway 0
CountyMonroe County
StateIllinois
Coordinates38.3464, -90.14481
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.7 m)
Longest span49 ft (14.8 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2024)
Projected traffic4,916 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 850 over Trib to Gerhart Cr. built?

It was built in 2004, making it 21 years old in 2025.

What condition is FAS 850 over Trib to Gerhart Cr. 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 2022.

How much traffic does FAS 850 over Trib to Gerhart Cr. carry?

About 4,650 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is FAS 850 over Trib to Gerhart Cr.?

The structure is 52 ft (15.7 m) long with a longest span of 49 ft (14.8 m) and a deck 33 ft wide.

Who owns FAS 850 over Trib to Gerhart Cr.?

It is owned by the County Highway Agency.