US Bridges

T-416 Shroyer Mill over Muddy Creek

Fair

Butler County, Pennsylvania · 1MI. N of Mahood Rd. Int · Structure no. 000000000048334

Built
2014
11 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
100
2016 count
Owner
County
County Highway Agency

About this bridge

T-416 Shroyer Mill over Muddy Creek is a prestressed concrete box beam or girders - multiple carrying T-416 Shroyer Mill over Muddy Creek in Butler County, Pennsylvania. It was built in 2014, so it is 11 years old, younger 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 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 100 vehicles a day, projected to reach 100 by 2036. The structure is 34 ft (10.4 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-416 Shroyer Mill
CrossesMuddy Creek
Location1MI. N of Mahood Rd. Int
RouteCity Street 416
Coordinates40.9672, -79.95381
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2016)
Projected traffic100 by 2036
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-416 Shroyer Mill over Muddy Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is T-416 Shroyer Mill over Muddy 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 July 2024.

How much traffic does T-416 Shroyer Mill over Muddy Creek carry?

About 100 vehicles per day (2016 count).

How long is T-416 Shroyer Mill over Muddy Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 17 ft wide.

Who owns T-416 Shroyer Mill over Muddy Creek?

It is owned by the County Highway Agency.