US Bridges

Old Big Hill RD over Mayhaw Bayou

FairPosted for load

Jefferson County, Texas · 0.80 MI E of CR 257 · Structure no. 201240AA0268001

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
6 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

Old Big Hill RD over Mayhaw Bayou is a steel continuous stringer/multi-beam or girder carrying Old Big Hill RD over Mayhaw Bayou in Jefferson County, Texas. It was built in 1979, so it is 46 years old, older than the Texas average of 44.4 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. Its operating status is: posted for load restriction.

It carries about 73 vehicles a day, projected to reach 100 by 2035. The structure is 150 ft (45.7 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOld Big Hill RD
CrossesMayhaw Bayou
Location0.80 MI E of CR 257
RouteCounty Highway 0
CountyJefferson County
StateTexas
Coordinates29.83302, -94.25278
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating14 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans6
Design loadUnknown
Structure length150 ft (45.7 m)
Longest span25 ft (7.6 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic100 by 2035
Trucks0%
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$174,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Big Hill RD over Mayhaw Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is Old Big Hill RD over Mayhaw Bayou 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 2023.

How much traffic does Old Big Hill RD over Mayhaw Bayou carry?

About 73 vehicles per day (2022 count).

How long is Old Big Hill RD over Mayhaw Bayou?

The structure is 150 ft (45.7 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.

Who owns Old Big Hill RD over Mayhaw Bayou?

It is owned by the County Highway Agency.