US Bridges

Md 234 over Chaptico Creek

Fair

St. Mary's County, Maryland · 0.22 Mile West of Md 238 · Structure no. 100000180015010

Built
1959
66 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
8,121
2009 count
Owner
State
State Highway Agency

About this bridge

Md 234 over Chaptico Creek is a prestressed concrete slab carrying Md 234 over Chaptico Creek in St. Mary's County, Maryland. It was built in 1959, so it is 66 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 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 8,121 vehicles a day, roughly 8% of them trucks, projected to reach 10,251 by 2026. The structure is 93 ft (28.3 m) long and 45 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

No coordinates are recorded for this structure.

CarriesMd 234
CrossesChaptico Creek
Location0.22 Mile West of Md 238
RouteState Highway 234
CountySt. Mary's County
StateMaryland
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width45 ft (13.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,121 (2009)
Projected traffic10,251 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Md 234 over Chaptico Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Md 234 over Chaptico 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 June 2024.

How much traffic does Md 234 over Chaptico Creek carry?

About 8,121 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 234 over Chaptico Creek?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 45 ft wide.

Who owns Md 234 over Chaptico Creek?

It is owned by the State Highway Agency.