US Bridges

Ch 11 over Massa Creek

Poor

Macoupin County, Illinois · 1.0 MI E of Il 111 · Structure no. 059303000000000

Built
1940
85 years old
Condition
Poor
inspected March 2023
Type
Truss - Thru
Steel
Length
89 ft
1 main span
Daily traffic
150
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 11 over Massa Creek is a steel truss - thru carrying Ch 11 over Massa Creek in Macoupin County, Illinois. It was built in 1940, so it is 85 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 2 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 150 vehicles a day, roughly 7% of them trucks, projected to reach 152 by 2046. The structure is 89 ft (27.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCh 11
CrossesMassa Creek
Location1.0 MI E of Il 111
RouteCounty Highway 0
Coordinates39.39, -89.98139
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.2 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length89 ft (27.1 m)
Longest span85 ft (25.9 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ch 11 over Massa Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Ch 11 over Massa Creek 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 March 2023.

How much traffic does Ch 11 over Massa Creek carry?

About 150 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Ch 11 over Massa Creek?

The structure is 89 ft (27.1 m) long with a longest span of 85 ft (25.9 m) and a deck 22 ft wide.

Who owns Ch 11 over Massa Creek?

It is owned by the County Highway Agency.