US Bridges

Woodland Road Ext. over Little Sewickley Creek

Fair

Allegheny County, Pennsylvania · SL04 Little Sew Crk # 4 · Structure no. 000000000002582

Built
1889
136 years old, rebuilt 2015
Condition
Fair
inspected March 2023
Type
Arch - Deck
Masonry
Length
31 ft
1 main span
Daily traffic
266
2023 count
Owner
County
County Highway Agency

About this bridge

Woodland Road Ext. over Little Sewickley Creek is a masonry arch - deck carrying Woodland Road Ext. over Little Sewickley Creek in Allegheny County, Pennsylvania. It was built in 1889 and reconstructed in 2015, so it is 136 years old, older than the Pennsylvania average of 54.8 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 266 vehicles a day, roughly 1% of them trucks, projected to reach 333 by 2043. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWoodland Road Ext.
CrossesLittle Sewickley Creek
LocationSL04 Little Sew Crk # 4
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.55831, -80.19103
Functional classUrban 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic266 (2023)
Projected traffic333 by 2043
Trucks1%
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 statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$66,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Woodland Road Ext. over Little Sewickley Creek built?

It was built in 1889, making it 136 years old in 2025. It was reconstructed in 2015.

What condition is Woodland Road Ext. over Little Sewickley Creek 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 Woodland Road Ext. over Little Sewickley Creek carry?

About 266 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Woodland Road Ext. over Little Sewickley Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Woodland Road Ext. over Little Sewickley Creek?

It is owned by the County Highway Agency.