US Bridges

FAS 737 over Seiler Creek

Good

Madison County, Illinois · 3MI E Gdfry · Structure no. 060300000000000

Built
1964
61 years old, rebuilt 2006
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
169 ft
3 main spans
Daily traffic
1,600
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 737 over Seiler Creek is a steel continuous stringer/multi-beam or girder carrying FAS 737 over Seiler Creek in Madison County, Illinois. It was built in 1964 and reconstructed in 2006, so it is 61 years old, older 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 1,600 vehicles a day, roughly 4% of them trucks, projected to reach 1,712 by 2046. The structure is 169 ft (51.4 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 737
CrossesSeiler Creek
Location3MI E Gdfry
RouteCounty Highway 0
Coordinates38.96714, -90.13654
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating70 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.4 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic1,712 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$806,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 737 over Seiler Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2006.

What condition is FAS 737 over Seiler 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 February 2023.

How much traffic does FAS 737 over Seiler Creek carry?

About 1,600 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 737 over Seiler Creek?

The structure is 169 ft (51.4 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns FAS 737 over Seiler Creek?

It is owned by the County Highway Agency.