US Bridges

FM 2978 over Dry Creek

Fair

Montgomery County, Texas · 3.90 MI S of FM 1488 · Structure no. 121700305002003

Built
1977
48 years old, rebuilt 2021
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
284 ft
7 main spans
Daily traffic
33,210
2024 count
Owner
State
State Highway Agency

About this bridge

FM 2978 over Dry Creek is a concrete stringer/multi-beam or girder carrying FM 2978 over Dry Creek in Montgomery County, Texas. It was built in 1977 and reconstructed in 2021, 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 fair condition with a lowest component rating of 6 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 33,210 vehicles a day, roughly 5% of them trucks, projected to reach 46,494 by 2042. The structure is 284 ft (86.6 m) long and 79 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 2978
CrossesDry Creek
Location3.90 MI S of FM 1488
RouteState Highway 2978
StateTexas
Coordinates30.17579, -95.60095
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length284 ft (86.6 m)
Longest span41 ft (12.5 m)
Deck width79 ft (24.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,210 (2024)
Projected traffic46,494 by 2042
Trucks5%
Lanes on structure5
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2978 over Dry Creek built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2021.

What condition is FM 2978 over Dry 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 August 2024.

How much traffic does FM 2978 over Dry Creek carry?

About 33,210 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is FM 2978 over Dry Creek?

The structure is 284 ft (86.6 m) long with a longest span of 41 ft (12.5 m) and a deck 79 ft wide.

Who owns FM 2978 over Dry Creek?

It is owned by the State Highway Agency.