US Bridges

FM 39 over Lynn Creek

Good

Limestone County, Texas · 7.80 MI SE of SH 164 · Structure no. 091470064302037

Built
1977
48 years old, rebuilt 2010
Condition
Good
inspected December 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
1,359
2023 count
Owner
State
State Highway Agency

About this bridge

FM 39 over Lynn Creek is a prestressed concrete box beam or girders - multiple carrying FM 39 over Lynn Creek in Limestone County, Texas. It was built in 1977 and reconstructed in 2010, so it is 48 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 1,359 vehicles a day, roughly 14% of them trucks, projected to reach 2,160 by 2038. The structure is 106 ft (32.3 m) long and 61 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 39
CrossesLynn Creek
Location7.80 MI SE of SH 164
RouteState Highway 39
StateTexas
Coordinates31.42326, -96.24449
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+1 approach)
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span60 ft (18.3 m)
Deck width61 ft (18.5 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,359 (2023)
Projected traffic2,160 by 2038
Trucks14%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$800,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 39 over Lynn Creek built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2010.

What condition is FM 39 over Lynn Creek 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 December 2022.

How much traffic does FM 39 over Lynn Creek carry?

About 1,359 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is FM 39 over Lynn Creek?

The structure is 106 ft (32.3 m) long with a longest span of 60 ft (18.3 m) and a deck 61 ft wide.

Who owns FM 39 over Lynn Creek?

It is owned by the State Highway Agency.