US Bridges

Mt. Herman Road over Silver Springs Creek

Fair

Pike County, Mississippi · Sec 27 T 1N R 9E B · Structure no. SA5700000000049

Built
2007
18 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
143 ft
5 main spans
Daily traffic
350
2021 count
Owner
County
County Highway Agency

About this bridge

Mt. Herman Road over Silver Springs Creek is a concrete channel beam carrying Mt. Herman Road over Silver Springs Creek in Pike County, Mississippi. It was built in 2007, so it is 18 years old, younger than the Mississippi average of 38.9 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 350 vehicles a day, roughly 8% of them trucks, projected to reach 180 by 2043. The structure is 143 ft (43.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMt. Herman Road
CrossesSilver Springs Creek
LocationSec 27 T 1N R 9E B
RouteCounty Highway 112
Coordinates31.01792, -90.28831
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating47.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic180 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$902,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mt. Herman Road over Silver Springs Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mt. Herman Road over Silver Springs 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 Mt. Herman Road over Silver Springs Creek carry?

About 350 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Mt. Herman Road over Silver Springs Creek?

The structure is 143 ft (43.6 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Mt. Herman Road over Silver Springs Creek?

It is owned by the County Highway Agency.