US Bridges

FAS 2937-ILL 169 over Patterson Branch

Fair

Massac County, Illinois · 2.7 MI E Pulaski CO · Structure no. 064003900000000

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 2937-ILL 169 over Patterson Branch is a concrete continuous slab carrying FAS 2937-ILL 169 over Patterson Branch in Massac County, Illinois. It was built in 1988, so it is 37 years old, younger 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 6 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 1,300 vehicles a day, roughly 12% of them trucks, projected to reach 1,364 by 2046. The structure is 77 ft (23.5 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFAS 2937-ILL 169
CrossesPatterson Branch
Location2.7 MI E Pulaski CO
RouteState Highway 169
Coordinates37.29093, -88.88105
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span29 ft (8.8 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,364 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 FAS 2937-ILL 169 over Patterson Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is FAS 2937-ILL 169 over Patterson 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 March 2023.

How much traffic does FAS 2937-ILL 169 over Patterson Branch carry?

About 1,300 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FAS 2937-ILL 169 over Patterson Branch?

The structure is 77 ft (23.5 m) long with a longest span of 29 ft (8.8 m) and a deck 35 ft wide.

Who owns FAS 2937-ILL 169 over Patterson Branch?

It is owned by the State Highway Agency.