US Bridges

Tyrone Road over Bear Branch

Fair

Carroll County, Maryland · 1.16 Miles N of Md 140 · Structure no. 200000CL0263010

Built
1960
65 years old, rebuilt 1994
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
1,322
2021 count
Owner
County
County Highway Agency

About this bridge

Tyrone Road over Bear Branch is a steel stringer/multi-beam or girder carrying Tyrone Road over Bear Branch in Carroll County, Maryland. It was built in 1960 and reconstructed in 1994, so it is 65 years old, older than the Maryland average of 52.6 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 1,322 vehicles a day, roughly 8% of them trucks, projected to reach 2,170 by 2041. The structure is 38 ft (11.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTyrone Road
CrossesBear Branch
Location1.16 Miles N of Md 140
RouteCounty Highway 71
CountyCarroll County
StateMaryland
Coordinates39.63165, -77.07685
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating81.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span34 ft (10.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,322 (2021)
Projected traffic2,170 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Tyrone Road over Bear Branch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1994.

What condition is Tyrone Road over Bear 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 June 2023.

How much traffic does Tyrone Road over Bear Branch carry?

About 1,322 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Tyrone Road over Bear Branch?

The structure is 38 ft (11.5 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns Tyrone Road over Bear Branch?

It is owned by the County Highway Agency.