US Bridges

Lamar CR 27100 over Old Sulphur Riv. Channel

FairPosted for load

Delta County, Texas · 0.7 MI SE of CR 26100 · Structure no. 010600AA0101002

Built
1970
55 years old, rebuilt 1990
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
28 ft
1 main span
Daily traffic
20
2010 count
Owner
County
County Highway Agency

About this bridge

Lamar CR 27100 over Old Sulphur Riv. Channel is a wood or timber stringer/multi-beam or girder carrying Lamar CR 27100 over Old Sulphur Riv. Channel in Delta County, Texas. It was built in 1970 and reconstructed in 1990, so it is 55 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 20 vehicles a day, projected to reach 50 by 2030. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLamar CR 27100
CrossesOld Sulphur Riv. Channel
Location0.7 MI SE of CR 26100
RouteCounty Highway 0
CountyDelta County
StateTexas
Coordinates33.48614, -95.78824
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.9 US tons
Inventory rating14 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2010)
Projected traffic50 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$167,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lamar CR 27100 over Old Sulphur Riv. Channel built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1990.

What condition is Lamar CR 27100 over Old Sulphur Riv. Channel 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 October 2023.

How much traffic does Lamar CR 27100 over Old Sulphur Riv. Channel carry?

About 20 vehicles per day (2010 count).

How long is Lamar CR 27100 over Old Sulphur Riv. Channel?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Lamar CR 27100 over Old Sulphur Riv. Channel?

It is owned by the County Highway Agency.