US Bridges

Union ST over Stockwell Branch

Fair

Clark County, Illinois · SW Martinsville · Structure no. 012323000000000

Built
1909
116 years old, rebuilt 1950
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
250
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Union ST over Stockwell Branch is a steel stringer/multi-beam or girder carrying Union ST over Stockwell Branch in Clark County, Illinois. It was built in 1909 and reconstructed in 1950, so it is 116 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 250 vehicles a day, roughly 3% of them trucks, projected to reach 253 by 2046. The structure is 41 ft (12.5 m) long and 21 ft wide.

Location

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CarriesUnion ST
CrossesStockwell Branch
LocationSW Martinsville
RouteCity Street 0
CountyClark County
StateIllinois
Coordinates39.32995, -87.88486
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic253 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Union ST over Stockwell Branch built?

It was built in 1909, making it 116 years old in 2025. It was reconstructed in 1950.

What condition is Union ST over Stockwell Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Union ST over Stockwell Branch carry?

About 250 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Union ST over Stockwell Branch?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 21 ft wide.

Who owns Union ST over Stockwell Branch?

It is owned by the City or Municipal Highway Agency.