US Bridges

FAU 8998/SEMINARY over Trib to Honey Br

Good

Madison County, Illinois · 1.0 MI N of Alton · Structure no. 060322900000000

Built
1980
45 years old, rebuilt 2016
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
111 ft
3 main spans
Daily traffic
5,400
2024 count
Owner
County
County Highway Agency

About this bridge

FAU 8998/SEMINARY over Trib to Honey Br is a steel continuous stringer/multi-beam or girder carrying FAU 8998/SEMINARY over Trib to Honey Br in Madison County, Illinois. It was built in 1980 and reconstructed in 2016, so it is 45 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 5,400 vehicles a day, roughly 5% of them trucks, projected to reach 5,671 by 2046. The structure is 111 ft (33.8 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU 8998/SEMINARY
CrossesTrib to Honey Br
Location1.0 MI N of Alton
Coordinates38.93937, -90.14235
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating62.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length111 ft (33.8 m)
Longest span41 ft (12.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2024)
Projected traffic5,671 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 FAU 8998/SEMINARY over Trib to Honey Br built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2016.

What condition is FAU 8998/SEMINARY over Trib to Honey Br 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 FAU 8998/SEMINARY over Trib to Honey Br carry?

About 5,400 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is FAU 8998/SEMINARY over Trib to Honey Br?

The structure is 111 ft (33.8 m) long with a longest span of 41 ft (12.6 m) and a deck 43 ft wide.

Who owns FAU 8998/SEMINARY over Trib to Honey Br?

It is owned by the County Highway Agency.