US Bridges

Culp Lane over Il 255 - FAP 310

Good

Madison County, Illinois · 1.57 MI E Fosterburg · Structure no. 060029700000000

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
2 main spans
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

Culp Lane over Il 255 - FAP 310 is a steel continuous stringer/multi-beam or girder carrying Culp Lane over Il 255 - FAP 310 in Madison 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 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 1,400 vehicles a day, roughly 3% of them trucks, projected to reach 1,498 by 2046. The structure is 179 ft (54.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCulp Lane
CrossesIl 255 - FAP 310
Location1.57 MI E Fosterburg
RouteCity Street 0
CountyMadison County
StateIllinois
Coordinates38.92394, -90.07632
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span91 ft (27.7 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic1,498 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Culp Lane over Il 255 - FAP 310 built?

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

What condition is Culp Lane over Il 255 - FAP 310 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 2024.

How much traffic does Culp Lane over Il 255 - FAP 310 carry?

About 1,400 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Culp Lane over Il 255 - FAP 310?

The structure is 179 ft (54.6 m) long with a longest span of 91 ft (27.7 m) and a deck 37 ft wide.

Who owns Culp Lane over Il 255 - FAP 310?

It is owned by the State Highway Agency.