US Bridges

FR 505 over Stream

Poor

Lawrence County, Illinois · 1 MI N Bridgeport · Structure no. 051006000000000

Built
1910
115 years old
Condition
Poor
inspected January 2025
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
225
2022 count
Owner
State
State Highway Agency

About this bridge

FR 505 over Stream is a concrete slab carrying FR 505 over Stream in Lawrence County, Illinois. It was built in 1910, so it is 115 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 225 vehicles a day, roughly 6% of them trucks, projected to reach 328 by 2046. The structure is 22 ft (6.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFR 505
CrossesStream
Location1 MI N Bridgeport
CountyLawrence County
StateIllinois
Coordinates38.73128, -87.76185
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span20 ft (6.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic328 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FR 505 over Stream built?

It was built in 1910, making it 115 years old in 2025.

What condition is FR 505 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FR 505 over Stream carry?

About 225 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is FR 505 over Stream?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.2 m) and a deck 26 ft wide.

Who owns FR 505 over Stream?

It is owned by the State Highway Agency.