US Bridges

Ill 34-FAP 778 over Unnamed Stream

Good

Pope County, Illinois · 0.86M S Saline CO LN · Structure no. 076200700000000

Built
2011
14 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 34-FAP 778 over Unnamed Stream is a concrete culvert carrying Ill 34-FAP 778 over Unnamed Stream in Pope County, Illinois. It was built in 2011, so it is 14 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 2,350 vehicles a day, roughly 5% of them trucks, projected to reach 1,818 by 2046. The structure is 22 ft (6.6 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesIll 34-FAP 778
CrossesUnnamed Stream
Location0.86M S Saline CO LN
RouteState Highway 34
CountyPope County
StateIllinois
Coordinates37.5894, -88.45101
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,350 (2023)
Projected traffic1,818 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Ill 34-FAP 778 over Unnamed Stream built?

It was built in 2011, making it 14 years old in 2025.

What condition is Ill 34-FAP 778 over Unnamed Stream 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 January 2022.

How much traffic does Ill 34-FAP 778 over Unnamed Stream carry?

About 2,350 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill 34-FAP 778 over Unnamed Stream?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.2 m) and a deck 35 ft wide.

Who owns Ill 34-FAP 778 over Unnamed Stream?

It is owned by the State Highway Agency.