US Bridges

Post Hill ST over Gamels Branch

Good

Mason County, Texas · 0.05 MI S of Westmorelnd · Structure no. 141570B00320001

Built
1937
88 years old, rebuilt 2022
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
38 ft
5 main spans
Daily traffic
379
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Post Hill ST over Gamels Branch is a concrete culvert carrying Post Hill ST over Gamels Branch in Mason County, Texas. It was built in 1937 and reconstructed in 2022, so it is 88 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 379 vehicles a day, roughly 3% of them trucks, projected to reach 42 by 2042. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPost Hill ST
CrossesGamels Branch
Location0.05 MI S of Westmorelnd
RouteCity Street 0
CountyMason County
StateTexas
Coordinates30.7468, -99.23218
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span6 ft (1.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic379 (2020)
Projected traffic42 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Post Hill ST over Gamels Branch built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2022.

What condition is Post Hill ST over Gamels Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Post Hill ST over Gamels Branch carry?

About 379 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Post Hill ST over Gamels Branch?

The structure is 38 ft (11.6 m) long with a longest span of 6 ft (1.8 m) and a deck 26 ft wide.

Who owns Post Hill ST over Gamels Branch?

It is owned by the City or Municipal Highway Agency.