US Bridges

SR 4032 over Little Brier Run

Poor

Columbia County, Pennsylvania · 3 MI West of Unityville · Structure no. 000000000012739

Built
1936
89 years old
Condition
Poor
inspected February 2024
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
122
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4032 over Little Brier Run is a concrete tee beam carrying SR 4032 over Little Brier Run in Columbia County, Pennsylvania. It was built in 1936, so it is 89 years old, older than the Pennsylvania average of 54.8 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 122 vehicles a day, roughly 15% of them trucks, projected to reach 173 by 2032. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 4032
CrossesLittle Brier Run
Location3 MI West of Unityville
RouteState Highway 0
Coordinates41.23537, -76.45893
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2023)
Projected traffic173 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$92,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4032 over Little Brier Run built?

It was built in 1936, making it 89 years old in 2025.

What condition is SR 4032 over Little Brier Run 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 February 2024.

How much traffic does SR 4032 over Little Brier Run carry?

About 122 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR 4032 over Little Brier Run?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns SR 4032 over Little Brier Run?

It is owned by the State Highway Agency.