US Bridges

FAS 1573 over Sangamon River

Good

Menard County, Illinois · 2 MI W of Athens · Structure no. 065306900000000

Built
1978
47 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
315 ft
3 main spans
Daily traffic
750
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 1573 over Sangamon River is a steel continuous stringer/multi-beam or girder carrying FAS 1573 over Sangamon River in Menard County, Illinois. It was built in 1978, so it is 47 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 750 vehicles a day, roughly 4% of them trucks, projected to reach 758 by 2046. The structure is 315 ft (95.9 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFAS 1573
CrossesSangamon River
Location2 MI W of Athens
RouteCounty Highway 0
Coordinates39.94646, -89.76577
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.4 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length315 ft (95.9 m)
Longest span121 ft (36.8 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic758 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 1573 over Sangamon River built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAS 1573 over Sangamon River 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 2023.

How much traffic does FAS 1573 over Sangamon River carry?

About 750 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FAS 1573 over Sangamon River?

The structure is 315 ft (95.9 m) long with a longest span of 121 ft (36.8 m) and a deck 30 ft wide.

Who owns FAS 1573 over Sangamon River?

It is owned by the County Highway Agency.